ALLISON AT1000 C-2 CLUTCH HUB
PRECISION MACHINED FROM 4140 HTSR STEEL FOR COMPETITION AND HIGH TORQUE/HORSEPOWER APPLICATIONS. THE SPLINE IS .125” LONGER FOR MORE CONTACT PLUS A SPLINE BOSS DIAMETER INCREASE OF .100” FOR ADDED STRENGTH. CLUTCH SPLINE LENGTHED TO ACCOMMODATE ONE MORE CLUTCH. HUB IS WITHIN 2 OZ OF OEM HUB.