Upgrade your 1955–1983 GM car with the proven performance of the McLeod Street Extreme 10.5” Clutch Kit 75317 (1-1/8” x 10-spline). Built to handle up to 600 horsepower, this kit delivers the ideal balance of smooth street manners and aggressive track-ready holding power.
 
Featuring a high clamp-load diaphragm pressure plate and a single disc with ceramic material on both faces, the Street Extreme provides firm, consistent engagement and excellent torque capacity for vehicles with moderate engine modifications running street tires.
 
SFI approved for safety and durability, this complete kit includes a 10.5” ceramic/ceramic disc, high clamp-load pressure plate, pilot bushing, and alignment tool for an efficient installation (flywheel not included).
 
If you want confident launches, strong torque capacity, and dependable daily drivability, the Silver Sport Transmissions by McLeod Street Extreme is the clutch kit your GM deserves.