RR Torsion Arm, Junior Sprint Electronics This is a compression adjustable

This is a compression adjustable right rear shock for the Hyper 600 with the canister

Several new design elements make the RS-23ST a must have for the upcoming season

Hyper Racing # 18-900

Factory Kahne FK 6" Big Body Adjustable Twin Tube Shock are smooth body and have had multiple updates over the years to improve performance and durability

188" (3/16") thick

RR Torsion Arm, Junior Sprint Electronics This is a compression adjustableHyper Racing # 40 500 3 4" spline x 9" active length (center of torsion bar hole to center of shackle hole). Our torsion arms are machined from 2024 aluminum for superior strength. Rear torsion arms are measured from the center of the splined torsion bar hole to the center of the shackle mount hole. Squeeze bolt is included. Send us your old torsion arms or a sketch and we will offset torsion arms to your specifications at no charge.