Callies Compstar Forged Steel Internal Balance Crankshaft - 4.5 in Stroke - Big Block Chevy - 2-Piece Seal Solid Flat Tappet Cam Throttle Return Spring Kit -

Throttle Return Spring Kit - fits all QFT and Holley(R) 4500/4500HP

Improved Air/Fuel Distribution

Fits with factory console

Impact’s newest drag suits are an astounding 40% lighter than our previous offerings

These carburetor adapter kits install quickly and easily

Callies Compstar Forged Steel Internal Balance Crankshaft - 4.5 in Stroke - Big Block Chevy - 2-Piece Seal Solid Flat Tappet Cam Throttle Return Spring Kit -Product Description: Crankshaft Compstar 4. 500 in Stroke Internal Balance Forged Steel 2 Piece Seal Big Block Chevy Callies Performance Products began manufacturing high performance crankshafts in 1989. With many years of engineering and employee experience, Callies has grown to be the industry leader for innovative product design. Callies Performance Products takes pride in staying ahead of the competition with the latest high tech design and