RS-R Down Sus Springs -FRS/BRZ/86 Kartboy PERRIN Knob Diameter 1

PERRIN Knob Diameter 1

ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+

We started all single dyno pulls at 174 degrees

steep driveway inclines or grinding through heavy snow

This exhaust will come with a beautiful pair polished tips on premium mufflers

RS-R Down Sus Springs -FRS/BRZ/86 Kartboy PERRIN Knob Diameter 1The RS R Down Sus provides a lowered stance and improved handling to fulfill your needs to lower your car and improve its handling. Taking into consideration the factory suspension geometry, shock dampening, spring rate and ride height levels, RS R ensures that the springs you are getting were made for your car both for performance and for comfort.