Moroso Phenolic 1/2" 4-Hole Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - 4-Hole Plenum Design w/ 1.75" Diameter Bores 2070032 73 Ratio and Down

73 Ratio and Down

1967-1970 Pontiac Executive

2019-2023 Chevrolet Silverado 1500 LTZ

1994-1999 Buick LeSabre

Steel adapter fittings provide a bulkhead style connection to AN lines that can be mounted directly to the chassis by using tabs or brackets and retainer clips

Moroso Phenolic 1/2" 4-Hole Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - 4-Hole Plenum Design w/ 1.75" Diameter Bores 2070032 73 Ratio and DownAdvanced phenolic compounds are specially formulated to reduce heat conductivity 10 times greater than aluminum Reducing fuel temperature inside the carburetor results in a denser, more powerful fuel charge to the manifold Insulating phenolic spacers come pre drilled for alignment pins and include all mounting hardware Gaskets not included Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and