![Phenolic Carburetor Spacer with 4150/4160 Holley Bolt Pattern [2 in. Tall Open Plenum]](https://www.jegs.com/images/mini_750/500/555/555-15497.jpg)
Phenolic Carburetor Spacer with 4150/4160 Holley Bolt Pattern [2 in. Tall Open Plenum]
- (2) Gaskets
- Mounting Hardware
JEGS 555-15497 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.
JEGS 555-15497 Phenolic Carburetor Spacer Features:
- Height: 2 in. 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
- Made from phenolic plastic for weight savings and improved insulation from heat
JEGS 555-15497 Phenolic Carburetor Spacer 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 0.591 in. OD x 0.060 in. thick
- (2) Carburetor Gasket: 4150/4160 series square bore Holley bolt pattern with open plenum
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Increase Your Torque and Horsepower with More Air Flow
JEGS molded Phenolic Carburetor Spacers are available in three heights to tune your square flange, 4150/4160 style base, carbureted vehicle to the track or altitude conditions. Designed to lower the transfer of heat between the intake manifold to the carb for an increase in power. Includes gaskets and mounting hardware for easy installation. Not for use with stock manifolds with heat crossovers.





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