Nitrous Express · New
Nitrous Express Q-Jet/Holley Spread Bore Hitman Plus Nitrous Kit (50-200HP) w/10lb Bottle
MPN 40081-10 · Store SKU nex40081-10
Supplier stock checked 11/7/2026, 4:21:25 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
For the enthusiast who wants to use nitrous yet does not want to spend a lot of money, the 'Hitman' is the way to go. Equipped with the latest Lightning 45 bottle valve, stainless bottle brackets and the adjustability of four horsepower settings: 50-100-150-200. The Phase 3 series nitrous plates are the 'Next Generation' in nitrous performance and reliability. This new innovation in plates provides superior distribution and outstanding atomization. With no spray bars to sag, split, block airflow, or damage this is truly the 'Next Generation' in plate technology. The 'Hitman Plus' is the perfect, low cost, introductory system for the nitrous novice.The 'Hitman Plus' has all the great features of the original 'Hitman', yet it is upgradeable to Stage Six capability. The 'Plus' comes standard with four horsepower settings (50, 100, 150, 200) and is upgradeable to 300 HP with the addition of a larger N20 solenoid and jets. System also includes 40amp relay along with WOT switch and bracket. For the enthusiast who wants to use nitrous yet does not want to spend a lot of money, the "Hitman" is the way to go. Equipped with the latest Lightning 45 bottle valve, stainless bottle brackets and the adjustability of four horsepower settings: 50-100-150-200. The Phase 3 series nitrous plates are the "Next Generation" in nitrous performance and reliability. This new innovation in plates provides superior distribution and outstanding atomization. With no spray bars to sag, split, block airflow, or damage this is truly the "Next Generation" in plate technology. The "Hitman Plus" is the perfect, low cost, introductory system for the nitrous novice.The "Hitman Plus" has all the great features of the original "Hitman", yet it is upgradeable to Stage Six capability. The "Plus" comes standard with four horsepower settings (50, 100, 150, 200) and is upgradeable to 300 HP with the addition of a larger N20 solenoid and jets. System also includes 40amp relay along with WOT switch and bracket. Q-JET/HOLLEY SPREAD BORE HITMAN PLUS (50-100-150-200HP) WITH 10LB BOTTLE Nitrous Oxide Injection System Kit
Manufacturer fitment & guides
Check 40081-10 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
