Billet Aluminum 4 Barrel Carburetor 3-Circuit Metering Block

Speedmaster fully adjustable metering blocks allow you to stay in complete control of your carbs fuel delivery. Improved throttle response over stock, fully tunable for street and strip applications. Retains vacuum passage for distributor vacuum advance. Calibration upgrade without sacrificing street vacuum provisions. The metering blocks are CNC-machined from solid billet aluminum for added strength and durability. Additional features include changeable idle feed restrictions, five emulsions for more aggressive tuning, and installation gaskets.

In 1979, the company was founded with Pete's Performance, which was a small speed workshop. It began by building engines for customers as a hobby, and it has now grown to include selling, assembling, manufacturing and racing high performance engine parts. Over the years, the company has grown into a worldwide high performance powerhouse. Growing from a one-man bricks-and-mortar business; to now a supply chain in which entails more than 400+ people all across the world. Today, Pete's Performance has evolved into the internationally known Speedmaster: which has distribution centres and offices is Sydney, Los Angeles and Shanghai.