JEGS Phenolic Carburetor Spacer | 4150 Square Bore Flange | 4-Hole | 2� Tall | Includes Two Gaskets And Mounting Hardware

Phenolic Carburetor Spacer4150/4160 Bolt Pattern2 in. Tall4-Hole PlenumIncludes:(2) GasketsMounting Hardware JEGS 15492 Phenolic Carburetor Spacer with a 4-hole 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 a 4-hole plenum with 1.72 in. ID holes(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(1) Carburetor Gasket: 4150/4160 series square bore Holley bolt pattern with 4-hole plenum(1) Carburetor Gasket: 4150/4160 series square bore Holley bolt pattern with open plenum

• HEIGHT: 2� for some street and most racing applications
• 4150 SQUARE BORE MOUNTING FLANGE for Holley, Edelbrock, AFB, Carter, Quick Fuel, Proform, and other carburetors and throttle bodies
• 4-HOLE DESIGN for single or dual plane intake manifolds
• INCLUDES spacer, 2 gaskets, and mounting hardware
• MADE FROM PHENOLIC PLASTIC for weight savings and improved insulation from heat