SBC S/M 1.940in Intake Valves Less resistance means more energy

Less resistance means more energy is going to make it to the spark plug to ignite the air/fuel mixture

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SBC S/M 1.940in Intake Valves Less resistance means more energyIntake Valve Street Master 1. 940 in Head 0. 342 in Valve Stem 4. 911 in Long Stainless Small Block Chevy Set of 8