1/2in Phenolic Carburetor Spacer Open Center Style Replacement Compatible Holley 4150/4160 Square Bore Carb

Feature:1. Fits 4 barrel carbs with a square bore base, such as replacement compatible with Holley 4150/4160, etc.2. Used to extend the length of the intake mixture column, thereby improving air / fuel distribution.3. Open design increase plenum volume compatible with improved high RPM power, 4 hole design increases the mixing speed to improve the low speed and midrange torsion.4. Made of premium quality phenolic plastics, it can insulate your carb from excessive engine heat.5. Reduce the fuel temperature inside the carburetor, brings a denser and more powerful fuel to the manifold.Specification:Item Type: Carburetor SpacerMaterial: Phenolic Plastic + MetelApplication: Fits any square bore carburetorFits 4 barrel carbs with a square bore base like the replacement compatible with Holley 4150/4160, replacement compatible with Barry Grant, replacement compatible with Carter and replacement compatible with Edelbrock that are used on many replacement compatible with Small/Big Block Chevy, replacement compatible with compatible withd and replacement compatible with Chrysler Mopar engines..Package List:3 x Carburetor Spacers4 x Bolts4 x Nuts4 x Gaskets