Toyota Supra JZA80 Rear Suspension Drop Knuckle Kit
The main objective of this Wisefab Toyota Supra rear suspension kit is to provide more grip on lowered car. Either if it’s needed to maintain speed with high lock angles in drifting, to get a better start in drag racing or just being faster in circuit racing. Supra rear suspension has built in anti-squat, less camber gain, higher roll center and adjustable shock motion ratio.
Be sure to check out our Lock kit for the MK4 Supra
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Here is our recommended alignment parameters:
Toe: 3-10mm toe in/per side
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- Higher roll center (RC).
On Supra rear suspension the RC is brought back in normal range on lowered car providing higher roll stiffness.
- Less camber gain.
Supra rear suspension has already a lot of camber gain at original ride height. With lowered car the camber gain gets even bigger. On Wisefab setup the camber gain is decreased to provide a better grip.
Original Supra rear suspension has some negative anti-squat. That means the rear would squat a lot during acceleration. Anti-squat is changed to slightly positive to provide more stable motion at rear.
- Adjustable spring and shock absorber motion ratio.
The shock has 3 attachment possibilities on rear arm, which allows to change suspension stiffness and handling very quickly without changing the spring and messing up ride heights.
- Pre-set suspension control arms.
- Knuckles with hardware.
- Installation guide.
Other components, packaging and clearance.
- Hub to hub length (track) is the same as original, as this is defined by halfshaft lengths.
- This kit assumes coilovers to have enough clearance.
- Ride height is designed to be ~80mm from front subframe to ground and rear according to front.
- Dependent on rim width and ET, inner wheel wells need to be slightly modified.
- Minimum rim size is 17”. We have tested the kit with 9,5”x18” ET 35
Maximum tire size that is tested is 265/35 R18.
The kit is designed and manufactured the way that after installation and toe adjustment it’s ready to use right away.
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