
Aeromotive 21119 1-inch drive mandrel is designed for Big Block Chevy belt drive fuel pump systems. Featuring a 1/2 inch balancer bolt, 1/8 inch keyway, and durable Type II bright dip anodized finish, this mandrel works with Aeromotive belt drive brackets to power mechanical fuel pumps.
Specs:
Mandrel Diameter: 1 Inch
Keyway: 1/8 Inch
Balancer Bolt: 1/2 Inch (BBC)
Finish: Type II Bright Dip Anodized
Compatible Brackets: Aeromotive 11707, 11708