Proform Billet Aluminum Adjustable Metering Block - Purple Anodized - Holley 4150 Ring & Pinion Gear Set 2-Bolt Mains

2-Bolt Mains

without spring

Welded steel construction with black powder coated finish for durability and corrosion protection

Power Steering Pump & Pulleys

Proform Billet Aluminum Adjustable Metering Block - Purple Anodized - Holley 4150 Ring & Pinion Gear Set 2-Bolt MainsFurther enhance the performance of your PROFORM high flow main body with billet metering blocks. Machined from solid aluminum, virtually eliminates porosity problems, and will not warp. Features changeable idle feed restriction with additional upgrades available for racing applications. May not be legal for sale or use in California or on many pollution controlled vehicles. PROFORM invites racers to experience the strength, innovation, and power