Aluminum Holley open carb spacers. Includes gaskets and hardware.
The High Rise Aluminum Spacer is 1" thick with an open chamber for Quadra-Jet Carburetors. Comes with gaskets and hardware.
Phenolic insulatingspacer reduces heat conductivity 10 times greater than aluminum Results in a denser more powerful fuel charge to the manifoldFits Holley 4150/4160 bolt patternIMCA approvedIncludes gaskets studs nuts & washers
Phenolic material is a type of plastic resin which has excellent insulating properties, so it will keep the fuel in your Holley 4150/4160 cooler for more power. For 390 CFM carbs with 1.467" diameter bores. Specially formulated material reduces heat conductivity 10 times greater than aluminum Reduces fuel temperature inside the carburetor Denser, more powerful fuel charge to the manifold 4 hole plenum design 1/2" height Gaskets not included
Plasticspacer reduces heat conductivity 10 times greater than aluminum Results in a denser more powerful fuel charge to the manifoldFits Holley 4150/4160 bolt patternIMCA approvedIncludes studs nuts & washers (gaskets not included)
Plastic spacer reduces heat conductivity 10 times greater than aluminum Results in a denser, more powerful fuel charge to the manifold Fits Holley 4150/4160 bolt pattern IMCA approved Includes studs, nuts & washers (gaskets not included)