Vibrant Bellows Assembly with Solid Liner, 1.75" I.D. x 2.50" Long - Electro Polished - 69425 BMW Z3 bar-and-plate construction is specifically designed

bar-and-plate construction is specifically designed to shrug off heat generated by compressing air into the intake manifold

The truth is that it's actually the moment of inertia that affects the pulley's ability to improve engine and throttle response

Whether you have Big Cams

Fully compatible with -10 AN line if combined with custom ORB-08/AN-10 adapter P/N 15641

Universal Dual T-Style Mounts

Vibrant Bellows Assembly with Solid Liner, 1.75" I.D. x 2.50" Long - Electro Polished - 69425 BMW Z3 bar-and-plate construction is specifically designedLength: 2. 500" Vibrant Performance Electropolished Bellows Assemblies feature a directional, smooth flow solid liner available in both 304 and 321 Stainless Steel.