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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
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About 4500 0.500" Hi-Flow Carburetor Spacer
Spacers isolate carburetor from manifold, preventing horsepower-robbing heat transfer while also increasing air flow due to the increase in distance from the bottom of the carburetor to the manifold plenum. Spacers are precision CNC-machined in the U.S. from a state-of-the-art polymer compound and can withstand temperatures up to 400deg F. Available in open or four hole versions for popular 4150 and 4500 Holley style carburetors in 1/2 inch, 1 inch and 2 inch thicknesses. Four hole spacers are additionally offered with specially contoured holes which helps increase air velocity under the carburetor. For Drag Race Only.
