Brinn Crankshaft Coupler, 10-Spline, Steel, Brinn, Chevy, 2-Piece Seal

Brinn crankshaft drive flanges are specifically designed to direct-drive your Brinn transmission to the crankshaft. They are available in both steel and aluminum. The steel versions are manufactured from through-hardened 4140 steel for increased strength and durability. The aluminum ones are made from aircraft-grade 7075 billet aluminum. Brinn crankshaft drive flanges can also be ordered with a hard-anodized steel flywheel to drive other accessories.