HD Diaphragm Big Bore - pk4

Heavy duty diaphragm for big bore shocks which is stiffer than the standard kit item giving more rebound and more response to the car.

Fits: Cougar KC, CAT K2, Cougar KR, CAT K1, CAT K1 Aero, CAT SX2, CAT SX3, Cougar KF, Cougar KF2, Cougar SV, Cougar SV2, Cougar SVR, Mi4CX, Mi4CXL, Mi4LP Pro CF, Mi5, CAT L1