Our Allison C2 clutch hub is more durable than OE hubs. It is made out of forged 4140 high strength steel and has a thicker snout to prevent twisting from high powered engines and shift bindups. This C2 clutch hub should be used in trucks with over 750 HP and in trucks used for pulling, drag racing or boosted launches.
- +0.125" spline contact than OE
- +0.110" spline snout diameter than OE
- +0.055" spline wall thickness than OE