Nitrous Express · New
Nitrous Express GM LS 112mm Adapter Plate Kit (100-400HP) w/ 12LB Bottle
MPN 20917-12 · Store SKU nex20917-12
Supplier stock checked 11/8/2026, 2:01:47 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The Nitrous Express 112mm adapter plate systems feature Spraybarless technology for the ultimate in atomization and distribution. The billet plate bolts between the throttle body and intake making installation quick and easy. The solenoids are integrated into the plate for a super clean look and easy install. A direct-plug-in Fuel Line Adapter is provided to simplify installation (no need to cut your factory fuel lines). This system includes a TPS Auto learn switch so the nitrous only activates at wide open throttle and automatically turns off when you let your foot off the accelerator. The system includes jetting for 35, 50, 75, 100, 125, 150, 200, 250, and 300 horsepower. Systems include a stainless braided N2O line, master arming switch, relay, relay harness and all necessary hardware to complete the installation. Systems ordered with a nitrous bottle include the new billet aluminum Lightning 500 bottle valve and stainless bottle brackets. The Nitrous Express 112mm adapter plate systems feature Spraybarless technology for the ultimate in atomization and distribution. The billet plate bolts between the throttle body and intake making installation quick and easy. The solenoids are integrated into the plate for a super clean look and easy install. A direct-plug-in Fuel Line Adapter is provided to simplify installation (no need to cut your factory fuel lines). This system includes a TPS Autolearn switch so the nitrous only activates at wide open throttle and automatically turns off when you let your foot off the accelerator. The system includes jetting for 35, 50, 75, 100, 125, 150, 200, 250, and 300 horsepower. Systems include a stainless braided N2O line, master arming switch, relay, relay harness and all necessary hardware to complete the installation. Systems ordered with a nitrous bottle include the new billet aluminum Lightning 500 bottle valve and stainless bottle brackets. 112mm Adapter Plate System /12Lb Bottle 112mm Adapter Plate System/12Lb Bottle Nitrous Oxide Injection System Kit
Manufacturer fitment & guides
Check 20917-12 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
