Proform Billet Aluminum Adjustable Metering Block - Purple Anodized - Holley 4150 H88602CB3M Assures Maximum Accuracy

Assures Maximum Accuracy

Minimal dish/extreme ergo oval grip

X-Act Contour

Brinn Predator Circle Track Transmission

Vacuum Regulator

Proform Billet Aluminum Adjustable Metering Block - Purple Anodized - Holley 4150 H88602CB3M Assures Maximum AccuracyFurther 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