The Action Clutch Stage 3 clutch kit for 1974–1978 Mazda RX-4 (1.3L 13B-AP) is built for heavy-duty street use and occasional drag, road, or drift racing. It pairs a single diaphragm pressure plate with reinforced drive straps and a sprung MIBA Ceramic disc (4- or 6-puck) for quicker engagement. Expect stronger holding capacity, some clutch chatter during break-in, and reliable, engineer-checked assembly.
Action Clutch 74-78 Mazda RX-4 1.3L (13B-AP) Stage 3 Clutch Kit (1MS)