Chevy SBC 350 Steel Short Water Pump Swp 1 Groove Crank Pulley Chrome They feature a stout billet

They feature a stout billet aluminum construction and include all mounting hardware

also known as the GM 8

and corrosion-treated

Speedmaster billet aluminum spacers provide the benefits of an open carburetor spacer

This cooler air charge provides additional power and torque

Chevy SBC 350 Steel Short Water Pump Swp 1 Groove Crank Pulley Chrome They feature a stout billetTry using Speedmaster steel crankshaft pulleys to increase horsepower and reduce accessory drag. These pulleys are available in your choice of two finishes. Since Chevrolet has made a variety of pulley diameters, Speedmaster has chosen the most popular diameters for their pulleys. In some instances, the stock accessories may not run at the same speed as originally designed.