NOS Nitrous Micro Switch - Holley 4150 Carburetors RG10003 275 in Valve Stem

275 in Valve Stem

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Ford Mustang / Fullsize Truck 2011-14

NOS Nitrous Micro Switch - Holley 4150 Carburetors RG10003 275 in Valve StemNOS Micro Switch Bracket 16512NOS Billet Holley 4150 Micro Switch Bracket Product Description: Nitrous Micro Switch Bracket Included Holley 4150 Carburetors Kit The use of nitrous oxide as a performance enhancement has been used since World War II. Allied aircraft used it for emergency boosts in airspeed and altitude capabilities. By the end of World War II, jet propulsion had been invented and the United States' government was losing interest in