1" Tall / Thick 4 Hole Phenolic Carburetor Heat Spacer.

 Fits Holley 4165 4175 Spread Bore, Rochester Q-Jet 

Helps keep heat out of the carburetor which transfers to more Horsepower!

Also gives that motor the bigger look you want!!!

NOTE: Will NOT work on intake manifolds with heat EGR crossover. 

 

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