Heavy Duty, RR Torsion Arm, Offset 1-1/8", 7/8" x 11 1/2", 600cc micro sprintHyper Racing # 40 171HD Heavy duty 3 4" thick version of the standard version of the 40 171 torsion arm. Fits '07 and up Hyper 600cc on the right rear. 1" offset. This arm provides more offset to move the right rear bearing carrier out. This is generally needed for use with longer paddles (11" & 12" paddle for this arm). It also depends on which Jacob's Ladder frame tab hole it is mounted to. Redesigned in 2017. The X4, X6, & X7 Hyper rear torsion

Hyper Racing # 055-000-K

6:1/4:1 is used on the High Leverage Brake Pedal for Single Master Cylinder

Hyper Racing # 383-505

please visit the Shippable Wings Category

Hyper Racing # 03-160B

Hyper Racing # 141-250

and load capability

2 valving on rebound and 2 valving on compression

Fits 2007 & Up Hyper 600cc (X4/X6/X7)

Fits over the EVO Fuel Injection to protect electrical connections and throttle bodies

Sintered titanium formulation for extreme racing conditions

Hyper Racing # 08-762