Carburetor Metering Block Conversion Kits - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Proform Carburetor Metering Block Upgrade Conversions

Upgrade your carburetor with Proform race-ready billet metering block conversion kits. The primary metering block retains the original vacuum provisions, and the secondary metering blocks have no power valve provision to fit the latest generation of carburetors. The included metering blocks are designed only for throttle bodies that accept four-corner idle systems.

4.2 out of 5 stars ( 5 )

$158.95

Holley Metering Block Conversion Kits

Holley metering block conversion kits are designed to convert a 4160 side-hung fuel bowl carburetor to a 4150-style carburetor with replaceable rear jets.

5.0 out of 5 stars ( 1 )

$101.95

Quick Fuel Double Pumper Billet Metering Block Conversion Kits

Quick Fuel Double Pumper billet metering block conversion kits feature standard calibration, screw-in idle feed restrictors, a timed port vacuum provision (primary side), no secondary power valve provision, and a 4-mixture idle screw setup. The metering block is CNC-machined from billet aluminum and red-anodized for protection.

4.0 out of 5 stars ( 8 )

$221.95

Proform Secondary Metering Block Conversions

Upgrade your carburetor with Proform secondary metering block conversions. They take the place of the carburetor's original metering plate. The block is made of billet aluminum and anodized for good looks and a long life.

3.0 out of 5 stars ( 2 )

$99.95