Heavy Duty, RR Torsion Arm, Offset 1-1/8", 7/8" x 11 1/2", 600cc micro sprint Tools The scoop also helps cooling

The scoop also helps cooling as it forces more air through the radiator by blocking areas where air would bypass the radiator

Hyper Racing # 383-300

ARS 1074 Aluminum Shock is a 7" stroke

Hyper Racing # 388-398

Specify in the Notes field at checkout if you want this rack to be the 2022 updated 3" offset rack

Heavy Duty, RR Torsion Arm, Offset 1-1/8", 7/8" x 11 1/2", 600cc micro sprint Tools The scoop also helps coolingHyper 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