Moroso Plastic 1" Open Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - Open Plenum Design H763CBF which clamps more consistently and

which clamps more consistently and prevents premature wear and air leaks

55 thread size

The cap is anodized while the bung is bare 6061-T6 aluminum so you can weld it to your oil

To ensure this

Popular and Economical Option For O

Moroso Plastic 1" Open Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - Open Plenum Design H763CBF which clamps more consistently andAdvanced plastic 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