NOS Nitrous Micro Switch - Holley 4500 Carburetors 93521 300SD 1985-1978

300SD 1985-1978

Includes Black horn button

Fuel filter and mounting hardware included

1975-1986 Chevrolet C30 CID 327

1978-1979 American Motors Pacer

NOS Nitrous Micro Switch - Holley 4500 Carburetors 93521 300SD 1985-1978NOS Micro Switch Bracket 16514NOS Billet Dominator 4500 Micro Switch Bracket Product Description: Nitrous Micro Switch Bracket Included Holley 4500 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