PHR PowerHouse Racing Adjustable Rear Upper Control Arms
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The ever-popular PHR Adjustable Upper Rear Control Arms are a must-have item for any serious road-racer or drag-racer. Even with the slider turned all the way in, the Supra is designed to run with at least -1 degrees of rear camber. While this may be good for basic street driving, it tends to eat up the insides of tires and is the opposite of what you want for drag racing and straight-line acceleration.
For drag racers: you are able to adjust the rear camber up to +10 degrees, allowing the tire to come into 100% contact as the car squats for launch. This gives you full contact patch with the pavement and the most traction possible from your setup.
For road racers: you can thread the knuckle in to achieve up to -10 degrees of camber if desired!
These high quality rear control arms are hand-made from 4130 chromoly and TIG welded to ensure the highest strength and integrity possible.
PHR has used these arms on their drag Supras since 1998, and their record-breaking 1.27-second 60 foot time tells the story of their effectiveness.
Powder coated black, the PHR Adjustable Rear Control Arm kit now includes solid bushings so no core charges apply. And, using their new custom fit stud system, no re-drilling of the knuckle is required! These hand-built upper rear control arms fit the six speed manual or automatic Supra N/A and TT models, as well as 1992-2000 SC300 and SC400s!