Upgrade your 1957–1985 GM car with the proven performance of the McLeod Street Extreme 11” Clutch Kit 75324 (1-1/8” x 10-spline). Built to handle up to 650 horsepower, this kit delivers the ideal combination of smooth street engagement 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 strong, consistent engagement and excellent torque capacity for classic GM muscle cars with moderate engine upgrades running street tires.
 
SFI approved for safety and durability, this complete kit includes an 11” ceramic/ceramic disc, high clamp-load pressure plate, pilot bushing, and alignment tool for a straightforward 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.