Jack Shaft Spacer Kit, Junior Sprint rear end Fits both left and right

Fits both left and right side

the right rear is typically just a female and male rod end threaded together making a 3-1/4" center to center shackle and the left rear is a 2" shackle rod making a 4" center to center shackle with the rod ends screwed in

Some chassis may have an X7 wing update

The high and low speed valvings are just as important as the stamped 3

Jack Shaft Spacer Kit, Junior Sprint rear end Fits both left and rightHyper Racing # 638 550 This kit includes all the jackshaft spacers that are needed to fit our engine mount jack shaft. The 1 5 32" goes on the engine shaft inside the pulley. Jackshaft left (engine pully side) is 1 8", 1 4", pulley, 1 4", 1 2" (housing) Jackshaft right side is 7 8", 1 8", 5 32, clutch. Jackshaft measurements are left to right in car.