Open Plenum Phenolic Carburetor Spacers
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.
- (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
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