NOS Nitrous Micro Switch - Holley 4150 Carburetors LY22471 Forged Narrow Superlite 4R rear

Forged Narrow Superlite 4R rear disc kits provide the ultimate Big Brake solution for popular muscle car rear axles that require a parking brake

Great For Carb Trucks/Cars/Generators/Agri Equipment

Arms feature steel cross shafts

ΓÇó Will not work with 98 x 70mm LT truck throttle bodies

Chrome moly 4130 steel tubing ends are ideal for building custom length suspension tubes

NOS Nitrous Micro Switch - Holley 4150 Carburetors LY22471 Forged Narrow Superlite 4R rearNOS 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