Nitrous Outlet GM 112mm Throttle Body Nitrous Adapter Plate System - Gas/E85 (5-

Product Description
If you’re looking to be a serious contender at the drag strip, the Nitrous Outlet GM LT1 / LT4 / LT5 112mm Blower Plate Nitrous System delivers exceptional atomization, distribution, and power capability for high-horsepower supercharged combinations. Designed for factory and aftermarket GM blower applications upgraded to a 112mm throttle body, this system supports 50–200 horsepower out of the box and flows over 400 horsepower with additional jetting.

This system utilizes a single billet 112mm nitrous plate featuring six nitrous discharge ports and six fuel discharge ports. The multi-port design ensures complete saturation of the intake charge and promotes consistent cylinder-to-cylinder fuel and nitrous distribution — critical for reliability and performance at elevated power levels.

The injection plate bolts directly to GM LT1, LT4, and LT5 blower inlets that have been modified from the factory 87mm opening to a 112mm opening using the OEM 104mm x 70mm bolt pattern. The plate then allows any 112mm throttle body using the 126mm x 70mm bolt pattern to bolt directly to the nitrous plate.

The system is also compatible with aftermarket blowers designed for direct-mount 112mm throttle bodies, including Kong and Whipple applications. This eliminates the need for throttle body adapter spacers while integrating a high-flow nitrous injection solution into a single compact assembly.

The injection plate is CNC-machined from T6061 billet aluminum, finished in a durable black anodize, and CNC engraved for long-lasting appearance and easy identification. Every Nitrous Outlet plate is flow-tested to verify proper operation and consistent flow characteristics prior to shipping.

The system includes jetting for 50, 100, 150, and 200 horsepower levels. While capable of flowing over 400 horsepower, additional jetting options are available separately. The system is fully compatible with gasoline or E85 with appropriate jet changes.

Additional Information
Whenever nitrous oxide is added to a vehicle, it is recommended to use colder spark plugs and a method of ignition timing retard. For technical assistance or system configuration support, contact Nitrous Outlet at 254-848-4300.