This 1 inch tall phenolic thermoset plastic spacer insulates your carburetor against manifold heat keeping it cooler and helps prevent fuel percolation (also known as vapor lock) in hot weather. This can also allow for a denser fuel mixure to help increase performance in some applications, as well as provide additional plenum volume. 4-hole design fits Holley 4150/4160 4-barrel carbs as well as most Carter and Edelbrock models with a squarebore design. Gasket, studs, washers and nuts are included.
Features:
Phenolic Thermoset plastic insulates against manifold heat
Keeps fuel cooler to reduce vapor lock & increase charge density
1" height increases plenum volume
May increase performance in some applications
Gaskets & installation hardware included
Brand
Mr. Gasket
Emission Code
5
Material
Phenolic
Product Type
Carburetor Spacer
Warranty
Limited 90 Day
Weight
1.5000
Part Number
3404
5
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Phenolic Thermal Insulating carb spacer. Manufactured from advanced phenolic thermoset plastic and engineered to withstand extreme high intake manifold temperatures, these spacer were designed to insulate and reduce heat flow to the carburetor keep it cooler to allow a denser fuel mixture to enter the engine and produce more horsepower. Four-hole bore manifold design 1" height. A must for any ser..
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