JEGS Phenolic Carburetor Spacer | 4150 Square Bore Flange | Open Style | 2� Tall | Includes Two Gaskets And Mounting Hardware

Phenolic Carburetor Spacer4150/4160 Bolt Pattern2 in. TallOpen PlenumIncludes:(2) GasketsMounting Hardware JEGS 15497 Phenolic Carburetor Spacer with open plenum is made from thermoset plastic to provide a heat sink between an intake manifold and carburetor with a 4150/4160 series square bore Holley bolt pattern. This 2-inch tall spacer will help keep fuel cooler for a denser fuel mixture, reduce vapor lock, and add additional plenum volume to increase engine performance.Features:(1) Carburetor Spacer: 2 in. tall with a 4150/4160 series square bore Holley bolt pattern and 3.560 in. W x 3.580 in. L open plenum(4) Carburetor mounting studs: 5/16 in.-18 threads on intake end and 5/16 in.-24 on carburetor end x 3.350 in. Long(4) Carburetor stud nut: 5/16 in.-24 threads with a 1/2 in. hex head(4) Carburetor stud flat washers: 5/16 in. ID x .591 in. OD x .060 in. thick(2) Carburetor Gasket: 4150/4160 series square bore Holley bolt pattern with open plenum

• HEIGHT: 2� for racing applications, raises RPM band, improves top-end performance
• 4150 SQUARE BORE MOUNTING FLANGE for Holley, Edelbrock, AFB, Carter, Quick Fuel, Proform, and other carburetors and throttle bodies
• OPEN STYLE for single plane intake manifolds
• INCLUDES spacer, 2 gaskets, and mounting hardware
• MADE FROM PHENOLIC PLASTIC for weight savings and improved insulation from heat