Articulating Spring Perches
Rogue Engineering Articulating Rear Spring
Perches offer unique features for the discriminating enthusiast. These
CNC'd units offer unique advantages for the E36/E46 owner.
Made entirely in the US using zinc-plated steel
(upper perch) and anodized 7075-T7 aluminum, these are a must for those who
corner balance their car or change their ride heights frequently (and would like
to do it easily). The coarse threads of the main shaft allow for FAST
height changes with each turn as well as prevents debris from fouling up the
E46 version of the articulating spring perch has
built in reinforcements
How does this work?
Most adjustable rear spring perches do one
thing; control spring height. However, there can be a few issues with
seemingly simple task.
Problem: Adjusting and
readjusting rear spring ride height can be a hassle.
Solution: Instead of constantly raising/lowering the car, removing
the wheels, adjusting traditional spring perches, there is now an EASY way of
adjusting the height on the Rogue Engineering Articulating Rear Spring
Adjuster. With a 14mm socket and ratchet, you can now adjust the height
WITH the wheels on, while the car is on the ground (perfect for corner
Underside view of the adjuster
Problem: The rear spring can see
arced bending moments, making for inaccurate spring rates.
Solution: By using a spherical bearing to keep the spring verticle,
the upper perch can follow the underside of the spring accurately through the
full range of motion of the rear suspension.
Spring Perch Installed (E36 shown)
TCK Rear Spring (with Spring Perch)
These are compatible with 2.25" ID springs
or 60mm ID springs. Sold as a pair.
Upper spring perches (for coilover springs) are
sold separately and available