GM EFI Nitrous System Throttle Body Injection Plate Design 100-150 HP NOS has a nitrous kit available for most every GM engine that came from the factory equipped with a throttle body fuel injection system. This includes the 4.3L V6 engine and also 5.0 and 5.7L V8 small blocks.
This kit is available without a bottle (05153-NBNOS).
The stock fuel pump should be adequate, but it should be capable of meeting NEW pump specs. If unsure, replace. Use only premium grade pump gasoline (92+ octane) or unleaded racing fuel. In many instances, a high-output ignition system and a free-flowing exhaust system may benefit performance. WARNING: DO NOT use aftermarket chips or other devices that advance ignition timing, as detonation may occur. Actual performance gains will vary depending on the engine’s condition and configuration. The s
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Headers, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.