Spyder DFR 4150 Air Cleaner Base
Double-digit horsepower and torque gains in minutes!
*Computational Fluid Dynamics designed and dyno tested
Spyder Dynamic Flow Regime racing air cleaner bases for 4150 Holley carburetors unleash hidden engine power by maximizing the main body pressure profile and dramatically improving venturi/booster signal while eliminating entry turbulence. The result is more responsive carburetor performance, improved power and torque..
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