Moroso Plastic 1" 4-Hole Carburator Spacer - Fits Holley 4150/4160 Bolt Pattern - 4-Hole Plenum Design w/ 1.75" Diameter Bores HALCL19M 50 Center Out - Aggressive

50 Center Out - Aggressive Sound

Your motor will start right up without cranking it over to generate fuel pressure

and reverse

Multi-Layer Construction 100% FR Cotton Outer Layer

Moroso Plastic 1" 4-Hole Carburator Spacer - Fits Holley 4150/4160 Bolt Pattern - 4-Hole Plenum Design w/ 1.75" Diameter Bores HALCL19M 50 Center Out - AggressiveAdvanced 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