Give your carburetor a little space with these Trick Flow® premium-grade 1 in. phenolic spacers. Designed to fit the contours of your carburetor, they will increase horsepower and torque in the mid-to-upper rpm range.

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Quick Fuel Carburetor Jet Extensions, Screw-in, 1/4-32 in. Thread Size, Brass, Holley, 4150, 4500, Pair

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