null  User manual
Instruction 51-1234
12-15-08
S&S Cycle, Inc
Copyright © 2006, 2008
235 Causeway Blvd.
La Crosse, Wisconsin 54603
by S&S® Cycle, Inc.
®
.
Phone: 608-627-1497 • Fax: 608-627-1488
All rights reserved.
Printed in the U.S.A.
Technical Service Phone: 608-627-TECH (8324)
Technical Service Email: [email protected]
Website: www.sscycle.com
Because every industry has a leader
Installation Instructions for S&S® 2006-Up Gear Drive Cams
for Harley-Davidson® Twin Cam 88® Engines
DISCLAIMER:
S&S parts are designed for high performance, off road, racing applications
and are intended for the very experienced rider only. The installation of S&S
parts may void or adversely effect your factory warranty. In addition such
installation and use may violate certain federal, state, and local laws, rules
and ordinances as well as other laws when used on motor vehicles used on
public highways, especially in states where pollution laws may apply. Always
check federal, state, and local laws before modifying your motorcycle. It is
the sole and exclusive responsibility of the user to determine the suitability
of the product for his or her use, and the user shall assume all legal, personal
injury risk and liability and all other obligations, duties, and risks associated
therewith.
The words Harley®, Harley-Davidson®, H-D®, Sportster®, Evolution®, and all
H-D part numbers and model designations are used in reference only. S&S
Cycle is not associated with Harley-Davidson, Inc.
SAFE INSTALLATION AND OPERATION RULES:
Before installing your new S&S part it is your responsibility to read and follow
the installation and maintenance procedures in these instructions and follow
the basic rules below for your personal safety.
Gasoline is extremely flammable and explosive under certain conditions
and toxic when breathed. Do not smoke. Perform installation in a well
ventilated area away from open flames or sparks.
If motorcycle has been running, wait until engine and exhaust pipes
have cooled down to avoid getting burned before performing any
installation steps.
Before performing any installation steps disconnect battery to eliminate
potential sparks and inadvertent engagement of starter while working
on electrical components.
Read instructions thoroughly and carefully so all procedures are
completely understood before performing any installation steps.
Contact S&S with any questions you may have if any steps are unclear or
any abnormalities occur during installation or operation of motorcycle
with a S&S part on it.
Consult an appropriate service manual for your motorcycle for correct
disassembly and reassembly procedures for any parts that need to be
removed to facilitate installation.
Use good judgment when performing installation and operating
motorcycle. Good judgment begins with a clear head. Don’t let
alcohol, drugs or fatigue impair your judgment. Start installation
when you are fresh.
Be sure all federal, state and local laws are obeyed with the installation.
For optimum performance and safety and to minimize potential
damage to carb or other components, use all mounting hardware that is
provided and follow all installation instructions.
Motorcycle exhaust fumes are toxic and poisonous and must not be
breathed. Run motorcycle in a well ventilated area where fumes can
dissipate.
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IMPORTANT NOTICE:
Statements in this instruction sheet preceded by the following words are of
special significance.
WARNING
Means there is the possibility of injury to yourself or others.
CAUTION
Means there is the possibility of damage to the part or motorcycle.
NOTE
Other information of particular importance has been placed in italic type.
S&S recommends you take special notice of these items.
WARRANTY:
All S&S parts are guaranteed to the original purchaser to be free of
manufacturing defects in materials and workmanship for a period of twelve
(12) months from the date of purchase. Merchandise that fails to conform to
these conditions will be repaired or replaced at S&S’s option if the parts are
returned to us by the purchaser within the 12 month warranty period or within
10 days thereafter.
In the event warranty service is required, the original purchaser must call or
write S&S immediately with the problem. Some problems can be rectified by
a telephone call and need no further course of action.
A part that is suspect of being defective must not be replaced by a Dealer
without prior authorization from S&S. If it is deemed necessary for S&S to
make an evaluation to determine whether the part was defective, a return
authorization number must be obtained from S&S. The parts must be packaged
properly so as to not cause further damage and be returned prepaid to S&S
with a copy of the original invoice of purchase and a detailed letter outlining
the nature of the problem, how the part was used and the circumstances at
the time of failure. If after an evaluation has been made by S&S and the part
was found to be defective, repair, replacement or refund will be granted.
ADDITIONAL WARRANTY PROVISIONS:
(1) S&S shall have no obligation in the event an S&S part is modified by any
other person or organization.
(2) S&S shall have no obligation if an S&S part becomes defective in whole or in
part as a result of improper installation, improper maintenance, improper use,
abnormal operation, or any other misuse or mistreatment of the S&S part.
(3) S&S shall not be liable for any consequential or incidental damages
resulting from the failure of an S&S part, the breach of any warranties, the
failure to deliver, delay in delivery, delivery in non-conforming condition, or
for any other breach of contract or duty between S&S and a customer.
(4) S&S parts are designed exclusively for use in Harley-Davidson® and other
American v-twin motorcycles. S&S shall have no warranty or liability obligation
if an S&S part is used in any other application.
S&S® Gear Drive Camshaft Specifications for Harley-Davidson Twin Cam 88® Engines
Valve Timing
Valve Duration
Cam
Name
Intake
Exhaust
Intake
510G
20°/38°
52°/20°
570G
20°/40°
585G
20°/45°
625G
640G
Centerline
Lift @ TDC
Exhaust
Valve
Lift
Intake
Exhaust
Intake
Exhaust
238°
252°
.510"
99°
106°
.187"
.179"
55°/20°
240°
255°
.570"
100°
107.5°
.187"
.179"
60°/20°
245°
260°
.585"
102.5°
110°
.186"
.179"
20°/55°
60°/20°
255°
260°
.625"
107.5°
110°
.189"
.184"
25°/60°
65°/25°
265°
270°
.640"
107.5°
110°
.228"
.214"
Chart 1
INTRODUCTION
The S&S® cam gear drive offers many advantages over the original cam drive system:
Reduced maintenance. There are no chain guides or shoes to wear or replace and no debris from wearing guides or shoe in you engine.
Consistent cam timing. Cam gears are keyed with a light press fit.
Eliminating the chains and tensioners eliminates excessive side loading of the cam support plate bearing surface.
Critical sprocket alignment is unnecessary.
Maintained accurate valve timing when using high performance valve springs with higher spring forces.
Higher cam lifts can be used without decreasing cam base circle. Gear driven cams rotate in opposite direction from the chain driven cams. Lobes
on the front and rear cams never point towards each other, allowing increased lobe height.
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COMPATABILITY NOTES:
S&S Cam Gear Drive is not compatible with camshafts designed for the stock style chain cam drive. S&S Cam Gear Drive must be used with S&S gear drive
style camshafts.
2006-Up gear driven camshafts kits 510G, 570G and 585G are compatible with stock 2006-Up valve springs. Due to the change in lift from the cams, new
pushrods are required during installation. S&S adjustable pushrod kit 93-5095 is recommended for engines with stock length cylinders. Longer pushrods
are available for engines with longer than stock cylinders. See the S&S Catalog for pushrods.
S&S camshaft installation Kit 33-5240 is strongly recommended when installing S&S cam gear drive. This kit includes hardware, gaskets and bearings
required for cam installation, this kit does not include oil pump o-rings.
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CAUTION
All S&S gear drive cam shafts except for the 510G, 570G and 585G required that the stock valve springs be replaced with high lift spring
kits. Some high lift spring kits require clearance checks and many require cylinder head modifications to prevent contact between top
color and valve seal, and to achieve correct installed height. See the instructions with your spring kit for exact specifications.
•• When using S&S gear dive cam shafts with stock pistons, valve to piston clearance may need to be checked. See Chart 2.
Valve to Piston Clearance Chart Stock Harley-Davidson® Pistons*
Cam
Head
Style
510G
570G
585G
625G
640G
Stock
OK
OK
OK
OK
1
S&S 79cc
OK
OK
OK
1
1
S&S 89cc
2
2
2
2
2
*Using unmodified heads with .045” head gaskets
Chart 2
OK No Clearancing needed
1- Valve to piston clearance must be checked.
2- Valve pockets in piston must be modified.
•• If stock heads are decked, valve to piston clearance must be checked. If insufficient clearance is found, valve pockets must be modified.
•• When using S&S pistons with S&S heads which are unmodified or have been decked no more than .062”, no additional valve to piston clearancing will be
required.
2
INSTALLATION
1- Removing the Cam Chain Drive System.
NOTES
Changing camshafts and cam drives in the 2006-up Harley-Davidson® Twin Cam 88® engines is different than in pervious engines. Procedures require use
of some special tools. Installation should be done by an experienced mechanic with access to factory service manual and required tools.
Tighten all fasteners to the correct specifications and in order described. Always use an accurate torque wench.
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CAUTION
Incorrect installation can cause engine damage not covered under warranty.
WARNING
Failure to install components correctly can result in sudden engine seizure. Engine seizure may result in serous injury to motorcycle
operator, passenger, or others.
A- Disconnect the battery ground cable to eliminate potential sparks and inadvertently engagement of the starter while working on the
motorcycle.
B- Remove spark plugs and pushrod cover clips. Collapse the pushrod covers to expose the pushrods.
C- Safely elevate and stabilize the rear of the motorcycle. Place the transmission in high gear. Turn the rear wheel to rotate the engine until
both lifters and pushrods for either cylinder are at the lowest point on the camshaft (TDC of compression stroke). Both intake and exhaust
pushrods for that cylinder will be under pressure from the valve springs and will rotate with light finger pressure.
NOTE: 510G camshafts may use stock style non-adjustable pushrods instead of adjustable pushrods. If installing non-adjustable pushrods, disassemble
and assemble rocker boxes per H-D® instructions. All other S&S® gear driven cams require installing adjustable pushrods. As a time-saving measure, the
stock pushrods can be removed with bolt cutters. Be sure to head caution and warnings of these instructions.
D- Cut the pushrods for the cylinder that is at TDC with the bolt cutter and remove the pushrod covers from the engine. Rotate the engine to
place the pushrods for the other cylinder at their lowest point. Cut and remove the remaining pushrods.
CAUTION
Cutting pushrods with a saw or cutoff wheel may result in debris entering the engine, causing engine damage not covered under
warranty.
WARNING
Cutting pushrods without releasing spring pressure, by rotating the engine until tappets are at the lowest point of travel can result in
bodily injury.
E- Remove the pushrod covers and lifters form the crankcase.
F- Remove engine cam cover and gasket. Secure lifers with a tool made from a large binder clip. See Picture 1.
Picture 1
3
G- Remove bolts and washers from the cam drive sprocket and crankcase sprocket.
NOTE: S&S recommends using H-D® sprocket locking tool H-D# 42314 to secure sprockets while bolts are being removed. See Picture 2.
Picture 2
H- Working gradually around the edge of the sprocket, carefully pry the sprockets loose. Remove the sprockets and chain assembly.
I- Remove the front hydraulic chain tensioner assembly. See Picture 3.
Picture 3
J- Follow the sequence shown and alternately loosen and remove the oil pump bolts. See Figure 1.
K- Follow the sequences shown and alternately loosen and remove the cam support plate bolts. See Figure 2.
Figure 1
Figure 2
4
CAUTION
Failure to remove and install the bolts accordingly to the correct procedures may result in parts damaged not covered under warranty.
L-
Carefully remove the cam support plate from the assembly.
NOTE: If grinding is to be done all gear case components must be removed and all holes taped off with duct tape to avoid contamination of the engine
with chips.
M-
Remove the rear hydraulic chain tensioner assembly. See Picture 4.
Picture 4
N-
O-
P-
Remove the loaded retaining clip and the thrust washer from the front cam.
Slide both cams from the cam support plate.
Carefully remove the camshaft needle bearings from the crankcase with H-D® camshaft needle bearing remover/installer H-D# 42325-A.
CAUTION
Using existing needle bearings may cause engine or cam damage due to increased tolerances from wear and higher loading of cams.
Always replace cam bearings with the ones provided in this kit or another source.
2- Installing the Cam Gear Drive
CAUTION
Check pinion shaft runout. Indicate end of pinion shaft at cam support plate bushing surface and rotate engine; reading must be .003” or
less total indicated reading (TIR). If reading is greater than .003” TIR the crankshaft must be repaired or replaced to correct excess runout
before installing gear drive cams. Failure to correct excess runout may lead to engine damage not covered under S&S warranty.
A- Install new needle bearings provided with the S&S® Camshaft installation kit 33-5240 or with bearings from another source. Cam bearings
must be Torrington B-168 full complement bearing or equivalent.
B- Install the new hydraulic block off plates where the front and rear chain tensioners were located, tighten fasteners to 100-120 in lbs. See
Picture 5 & 6.
Picture 5
5
Picture 6
C- When using 585G, 625G, or 640G camshafts (33-5248, 33-5249, 33-5250) clearance between the pinion bearing boss and the rear cam lobe
must be checked. See Picture 7 & 8. Remove just enough material to provide .030” of clearance between the top of the cam lobe and the
pinion bearing boss when the camshafts are rotated in the inner needle bearing. Also check clearances between the cam lobe and the
tappet guide bosses. To avoid contamination of the engine with chips, we recommend that all holes in the gear case be taped off with duct
tape and that the gear case be thoroughly cleaned with parts cleaner or solvent after clearancing is performed.
Picture 7
Picture 8
D- Apply assembly lube to the outer races of the cam and the bearing bore of the support plate. Slide the S&S® front cam into place.
E- Install the .110” washer on the other side of the support plate over the front cam.
F- Install a new loaded retaining ring onto the end of the front cam to secure it in place.
NOTE: Before reinstalling the cam support plate make sure the oil pump o-rings are in good condition and remain in place during following procedure.
Replace worn or damaged o-rings if necessary.
G- Apply a thin layer of assembly lube to the rear cam journal, lobe surfaces, and inner bearing surfaces.
H- Slide the rear cam into place aligning the two timing marks on the back of the cam gears. See Picture 9a.
Picture 9a
Picture 9
6
I- Align the camshafts with the needle bearings in the case and carefully side the support plate over the crankcase dowels. See Picture 10.
Picture 10
NOTE: The support plate assembly should slide into place without resistance. If resistance is encountered, determine the cause and correct the problem
before proceeding. Do not force the support plate into position. The camshafts must be installed into the cam support plate before installation. Failure to
due so could result in damage to the cam support plate and bearing surface.
J- Recheck the cam timing by visually inspecting the timing marks on the front of the camshafts. See Picture 9.
CAUTION
Support plate screws that pass through alignment dowels can be easily stripped (See positions 1 & 2, in Figure 2) when applying maximum
120 in-lbs torque as recommended by Harley-Davidson®.
K- Loosely install the support plate screws with a drop of threadlock 242 or 243 (blue). Alternately tighten the screws to 95 in-lbs. torque
following the sequence shown. See Figure 2.
L- Install the oil pump screws into locations in Figure 1 with a drop of threadlock 242 or 243 (blue). Screw them into the oil pump until they
bottom out and then back them off ¼ turn. Rotate the crankshaft allowing the pump to find its center and alternately tighten the screws in
order to 45 in-lbs. Torque the screws to 95 in-lbs and then rotate the crankshaft again checking for any binding in the oil pump gears.
M- Check the inner camshaft gears for proper backlash. Due to the manufacturing tolerances of the cam support plate camshaft alignment
may cause the inner gears to bind or become too loose. Check the rear cam for endplay by moving the camshaft in and out of the cam
support plate while rotating the cam in several positions 360°. There should be no binding in any position when rotated. If binding does
occur replace the rear inner cam gear with a undersized inner gear (PN 33-4277). Too much backlash between gears can cause excessive
wear and valve train noise use the oversized inner gear (PN 33-4278) to decrease backlash. Over and undersized inner gears are not supplied
with this kit.
NOTE: Crankshaft and Outer cam drive gears have a light press fit on their respective shafts. Start gears squarely on their shafts and use their mounting
bolts to pull them all the way into position.
N- Place the crankshaft gear on the crankshaft with the timing mark outward. Apply a drop of red threadlock 262, 271, or 272 to threads of 5/16-18 x ¾”
Grade 8 crankshaft gear bolt provided in kit (PN 33-5240) or obtain one from another source. Apply a drop of clean 20W-50 engine oil under the bolt
flange. Using the washer removed in disassembly, install the crankshaft gear bolt and tighten to 25 ft-lbs torque.
O- If necessary place the transmission in high gear and turn the rear wheel to rotate the engine until the timing mark on the crankshaft gear
is able to be aligned with the outer cam gear timing mark.
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P- Place the .188 x 150 x .57 key into the rear cam shaft keyway. Position the outer dive gear on the rear camshaft with the timing mark facing
outward. Rotate the drive gear and camshafts until the drive gear and crankshaft gear timing marks are aligned. See Picture 11.
Picture 11
Q- Ensure that the gear is properly aligned with the timing mark on the crank gear and the key on the rear camshaft. Start the outer drive
gear by hand and use the screw and washer, 50-0132 and 50-7056, provided in the installation kit to drive the outer gear onto the rear
camshaft.
R- Apply a drop of red threadlock 262, 272 or 271 to the threads of the 3/8”-24 x 1.75” Grade 8 cam drive gear screw. Apply a drop of clean 20W50 engine oil under the bolt flange. Using the thick washer provided, install the cam drive gear bolt and tighten to 34 ft-lbs torque.
NOTE: The axial thrust of the rear cam is controlled by the inner gear collar and the outer gear collar. Check the outer gear to make sure that it is fully
seated against the rear cam shoulder. Failure to fully seat the outer gear will cause needle bearing and cam support plate damage.
S- To check backlash in the outer drive gear set, rotate the 62 teeth cam drive gear back and forth while keeping the pinion gear locked in
one place with the engine. The minimal required backlash for the gear set should be between .0005” and .001” and no more than .002” for
cold gears. Both gear sets should roll freely with no radial or axial binding. When checking backlash the gear mesh shows less than .0005”
of backlash then a smaller crankshaft gear size ( PN 33-4160X) should be used. Gear sets with less than .0005” of backlash may whine when
run and can cause tooth wear, excessive heat generation with gear failure, resulting in engine damage. Gear backlash greater than .002” can
cause excessive gear noise or clicking caused by the reversing of the forces applied by the lifter springs onto the cams, use the oversized
crankshaft gear (PN 33-4160Z) for this situation.
NOTE: Cam drive gears are slightly larger than the stock drive sprockets and need to be checked for interference with the cam cover before proceeding.
T- Press a small amount of kneadable clay or putty on the cam cover mounting boss shown. See Figure 3. Carefully hold the cover and cover
gasket in the position against the crankcase. Install mounting bolts (4) near the corners of the cover finger tight. Push or tap the cam cover
towards the engine.
Figure 3
8
U- Carefully remove the cam cover. Determine the cover to gear clearance by measuring the impression left in the clay by the gear at its
thinnest point. Clearance should be .030” or more. If clearance is less than .030”, or if the cover contacts the gear, remove only enough
material from the cam cover to obtain the correct clearance. Repeat Steps T and U if necessary.
CAUTION
Be careful not to grind too deeply and break through to the outside of the cam cover. Damage to the cam cover caused by removing too
much material is not covered under warranty.
V- Use a new cam cover gasket and install the cam cover. Tighten the cover bolts 90-120 in-lbs torque in sequence shown. See Figure 4.
Figure 4
W- Remove the clips to release the lifters. If necessary, place the transmission in high gear and turn the wheel to rotate the engine until both
lifter for the front cylinder are at the lowest point. On the camshaft (TDC of the compression stroke for the front piston).
X- Loosen the locknuts on the adjustable pushrods and turn the adjusters to make all of the rods as short as possible.
Y- The longer S&S® pushrods are for the exhaust valves and the shorter pushrod are for the intake. Pass one long and one short pushrod
through the assembled pushrod covers. Place pushrod and cover assemblies through the lifter cover. Inner tappet holes are for the intake
pushrods and the outer tappet holes are for the exhaust pushrods. While holding a new gasket under the lifter cover, install push rod,
pushrod cover, lifter cover and gasket as an assembly; tighten the lifter cover screws to 95 in-lbs torque.
NOTE: Pushrod adjustment. If using unmodified OEM tappets perform steps 3-A thru 3-D to adjust the pushrods. (See below) If S&S HL2T kit has been
installed in the tappets, proceed to steps 4-A thru 4-F.
3- Pushrod Adjustment Procedures for Unmodified Stock Tappets.
A- Turn the adjuster screw to lengthen the exhaust pushrod until the pushrod has no vertical movement but still rotates with light finger
pressure. Extend the pushrod by rotating the adjuster screw an additional 20 flats (31/2 revolutions) and secure the adjuster screw with
the locknut.
B- Repeat steps 2-5 for intake pushrod.
C- Front lifters should bleed down in 5-10 minutes, allowing pushrods to be rotated with light finger pressure. Extend the pushrod covers and
install the cover clips.
CAUTION
Rotating the engine before the lifters have bled down may damage pushrods and other components not covered under warranty.
D- Rotate the engine until both lifter for the rear cylinder are at the lowest point on the camshaft (TDC of the compression stroke for the rear
piston). Repeat steps A-D for rear pushrods.
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4- Pushrod Adjustment Procedure For Tappet With HL2T Kit Installed.
A- Bring piston to TDC on compression stroke in the cylinder to be adjusted. Normally both tappets will be at their lowest point of travel.
B- Extend the pushrod adjustment, collapsing the lifter until the piston assembly is in contact with the HL2T spacer and the pushrod is tight. If
the tappets contain oil, as when the pushrods are readjusted after engine had been run, or if all of the oil was not removed during the HL2T
installation, extend the pushrod adjuster until the valve is open (about five additional turns of the adjuster screw). Allow 5 minutes for the
hydraulic unit to bleed down. If the pushrod can be turned with the fingers after bleed down the lifter is not completely collapsed and this
step must be repeated.
NOTE: Perform the operation on one cylinder at a time. Do not turn the engine until pushrod adjustments have been completed.
CAUTION
Turning the engine while valve is held off the seat could result in valve to valve contact or valve to piston contact, serious valve train
damage could occur.
C- Loosen the pushrod adjustment until the pushrod can be rotated with the fingers with slight drag. The pushrod now has zero lash.
NOTES:
Shortening pushrod adjuster an additional six flats or one full turn from zero lash often results ion quieter pushrod operation. This provides additional
travel for the hydraulic piston assembly, which can improve he ability of the hydraulic unit to maintain zero lash under normal operating conditions.
Lifters for Harley-Davidson® Twin Cam 88® engines require HL2T Kit 33-5339.
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D- Tighten the lock nut and recheck the pushrod adjustment to insure that it is still correct.
E- Follow the same procedure for all four pushrods.
NOTES:
After a few hundred miles it is a good idea to recheck pushrod adjustment in a new engine as valve train may tighten up due to gasket compression and
valve seat wear.
Upon initial start up after the modification, HL2T equipped lifters may be somewhat noisy for 10-20 miles. If lifters are still noisy after 20 miles it is
recommended that the pushrods be adjusted ½ turns looser.
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F- Replace any remaining parts removed to facilitate cam gear drive installation. Check engine oil level. Start the engine and check for leaks.
NOTE: Engine may require several miles at normal operating temperature for lifters to fill with oil and quiet the valve train. Our experience has shown that
lifters for Harley-Davidson® Twin Cam 88® engines are slow to fill.
Service
If crankshaft or cam drive sprocket needs to be removed, S&S® recommends using a small wheel puller like NAPA #775-9064. Loosen and unscrew
the gear bolts until bolt flange is about .600” from the shaft. To avoid damage to the shaft internal threads, let the puller screw push against the head
of the gear bolt until the gear breaks free from the shaft.
For replacement purposes, camshafts and camshaft gears are available separately.
Use a hydraulic press to remove and install the camshaft gears. Always use new keys and make sure the correct gear is mated with the correct
camshaft. See Figure 5. Timing marks on the camshaft gears should face the cam lobes.
Timing marks face lobes
Figure 5
10
S&S® 2006-UP GEAR DRIVE CAM REPLACEMENT PARTS FOR HARLEY-DAVIDSON® TWIN CAM 88® ENGINES
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
Pinion Gear..........................................................................................33-4160
Pinion Gear, Undersized....................................................................33-4160X
Pinion Gear, Oversized....................................................................... 33-4160Z
Outer Cam Gear ..................................................................................33-4269
Side Plate (5 Pack).................................................................................33-4266
Top Plate (5 Pack). .................................................................................33-4267
Screw HHC 5/16-18 x ¾” (10 Pack)............................................................50-0149
Screw BHTS ¼-20 x ¾” (8 Pack). ........................................................... 50-1102
Washer, Flat 3/8" x 11/8" x .225" (5 Pack).................................................. 50-7082
Thrust Washer, .110”............................................................................ 50-1103
Retaining Ring, Bowed #78 (10 Pack). ..................................................50-1104
Key, Woodruff .125 x .5 (10 Pack)...........................................................50-1105
Key, .188 x .150 x .57 (5 Pack)................................................................50-1012
Gasket, Cam Cover (10 Pack). .................................................................31-2102
Rear Camshaft
Front Camshaft
Front Inner Gear..................................................................................33-4273
Rear Inner Gear...................................................................................33-4274
Rear Inner Gear, Undersized................................................................ 33-4277
Rear Inner Gear, Oversized................................................................... 33-4278
Screw SHCS 3/8-24 x 13/4" (10 Pack). ........................................................50-0189
Needle Bearing (2 Pack). .......................................................................31-4499
Cam Installation Kit............................................................................. 33-5240
(Includes #3, 4, 5, 6, 8, 9, 12, 18)
Outer Cam Drive Gear Kit .................................................................... 33-4268
(Includes #1, 2, 7, 11, 17)
Cam Gear Kit.......................................................................................33-4285
(Includes #1, 2, 7, 11, 15, 16, 17)
Outer Gear Hardware Pack.................................................................33-4271P
(Includes # 7, 11, 17)
Camshafts 510G..................................................................................33-5251
(Includes 13, 14)
Camshafts 570G..................................................................................33-5252
Camshafts 585G..................................................................................33-5253
Camshafts 625G..................................................................................33-5254
Camshafts 640G..................................................................................33-5255
Camshaft 510G Kit...............................................................................33-5246
(Includes 10,13,14,15,16)
Camshaft 570G Kit...............................................................................33-5247
Camshaft 585G Kit...............................................................................33-5248
Camshaft 625G Kit...............................................................................33-5249
Camshaft 640G Kit...............................................................................33-5250
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