NOS Nitrous Micro Switch - Holley 4500 Carburetors Charging Station 5 Pound take up spring

5 Pound take up spring

The 351W manifold is available to work with 105MM throttle bodies

Not for use with a double roller timing chains

1992-97 LT1 Engines

NOS Nitrous Micro Switch - Holley 4500 Carburetors Charging Station 5 Pound take up springNOS 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