PERRIN PSP-SUS-235 Rear Endlinks Spherical Bearings for 2008-2021 WRX/STI Instructions
Perrin PSP-SUS-235 is a rear end link kit designed for 2008+ WRX/STI/Forester models. It includes two PERRIN STI rear end links, four SS upper spacers, four SS lower spacers, four 3/8” split washers, two 3/8-24x2.5” grade 8 hex bolts, two 3/8” grade 8 washers, and two 3/8-24 grade 8 nuts. This kit is designed to improve handling and performance by reducing flex and providing a more direct connection between the sway bar and the control arm.
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08+WRX/STI/FORESTER Rear End Link Kit
2020-07-29 PSP-SUS-235
Thank you for purchasing this PERRIN product for your car! Installation of this product should only be performed by persons experienced with installation of aftermarket performance parts and proper operation of high performance vehicles. If vehicle needs to be raised off the ground for installation, the installer must use proper jacks, jack-stands and/or a professional vehicle hoist for safety of the installer and to protect property. If the vehicle is lifted improperly, serious injury or death may occur! Please read through all instructions before performing any portion of installation. If you have any questions, please contact our tech department prior to starting installation. We can be reached in any of the following methods:
Email [email protected]
Instant Chat off the main page of www.PERRINperformance.com
Or simply call our tech team at 503-693-1702
SUSPENSION INSTALLATION NOTE
Installation of this product is a modification to the vehicle suspension. As a result, the vehicle may handle differently than that of factory-equipped vehicles. As with any vehicle extreme care must be used to prevent loss of control or roll-over during sharp turns or abrupt maneuvers. Always wear seat belts, and drive safely, recognizing that reduced speeds and specialized driving techniques may be required. Failure to drive this vehicle safely may result in serious injury or death. Do not drive this vehicle unless you are familiar with its unique handling characteristics and are confident of your ability to maintain control under all driving conditions. Some modifications (and combinations of modifications) are not recommended and may not be permitted in your state or country. Consult your owner’s manual, service manual, instructions accompanying this product, and local laws before undertaking these modifications. You are responsible for the legality and safety of the vehicle you modify using these components.
SPECIAL NOTES:
• It’s important to make sure spacers a nd washers are aligned properly or binding may occur and cause a failure.
•
If your car is driven during winters in states that salt the roads, its important to wash off dirt and salt to ensure premature corrosion doesn’t occur. An alternative is to put some heavy duty, water proof bearing grease a round bearings to keep out water and dirt.
•
These PERRIN Sphearical Bearing endlinks have a bearing that does wear at a rate that is higher than the OEM units.
Noise created as they wear and bearing failures are not covered under warranty.
•
This is a competition / race type suspension upgrade. It will produce more noise, vibration and harshness than the
OEM and similar endlinks. This is normal and not a defect in the item.
Parts Included with the PERRIN STI rear Endlink Kit:
•
(2) PERRIN STI rear endlinks
•
(2) SS Upper Spacers (long reduced shank)
•
(4) SS Lower Spacers (short reduced shank)
•
(4) 3/8” Split washer
•
(2) 3/824x2.5” grade 8 hex bolts
•
(2) 3/8” grade 8 washers
• (2) 3/8-24 grade 8 nuts
1.
Raise rear of car off ground and support with jack stands. Use of professional lift is also ok.
2.
Pay close attention to the orientation of the factory endlinks and make sure the endlinks are installed on the out side of swaybar.
3.
Remove the stock rear end link from both sides of vehicle. a.
Remove 14mm nut from swaybar connection. This may require the use of a 6mm allen key to hold endlink studd while removing nut. b.
Remove 14mm nut and bolt from lower connection at control arm. If endlink is binding up in control arm, loosen 17mm nut and bolt securing lower portion of shock. This will allow the control arm to spread apart and the endlink should come out.
4.
Install PERRIN Endlink into control arm. a.
Make sure that included SS spacers gets installed on either side of the endlink. Make sure that shorter reduced end is placed inside of bearing. Note: These are zip tied to endlink in the correct position. b.
Drop PERRIN endlink into control arm and insert OEM bolt (removed in step above) through control arm and endlink and install nut. Leave loose at this time.
5.
Install endlink to sway bar. a.
Using the installation picture , make sure that hardware and spacers are aligned properly. 3/8” Split washer should be installed at head of bolt, then bolt goes through endlink with SS spacer on other side with smaller end placed inside of bearing. b.
With hardware aligned properly instal l bolt through hole on swaybar. Install supplied 3/8” flat washer, then lock washer then nut on swaybar side to secure. NOTE: We preload the hardware to the link in this order. When you remove the hardware make sure you place hardware back in this order.
6.
With both endlinks installed, tighten all hardware to 40ft-lbs. If lower shock connection was loosened, tighten
17mm bolt securing rear shock to control arm was loosened, retighten to 70ft-lbs.
7.
Failure to install spacers in correct order or orientation will void the warranty.
8.
Continue installing endlinks to opposite side of car following the same directions as above.
Questions, Comments and Suggestions Contact: [email protected]
Visit Our Website for Instant Chat Options at www.PERRINperformance.com
Call Our Tech Team at 503-693-1702
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