Jegs 15491 Phenolic Carburetor Spacer 4150/4160 Bolt Pattern

Tall 4-Hole Plenum Includes: (2) Gaskets Mounting Hardware JEGS 15491 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 1-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: 1 in. tall with a 4150/4160 series square bore Holley bolt pattern and a 4-hole plenum with 1.720 in. ID holes (4) Carburetor mounting studs: 5/16 in.-18 threads on intake end and 5/16 in.-24 on carburetor end x 2.630 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

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