Nitrous Express 40041-12 Hitman Plus Nitrous Kit 4150 4-Bbl 50-200HP with Bottle

The Nitrous Express Hitman Plus nitrous system combines all the proven features of the original Hitman with expandable Stage Six upgrade capability. This complete kit comes ready to run with four selectable horsepower settings—50, 100, 150, and 200 horsepower—and can be upgraded to 300 HP with the addition of a larger N2O solenoid and jets. Perfect for enthusiasts who want room to grow without breaking the budget.

Phase 3 Spraybarless Plate Technology:

The included Phase 3 series nitrous plate represents the next generation in nitrous performance and reliability. Machined from 6061-T6 billet aluminum, this innovative spraybarless design delivers superior fuel and nitrous distribution with outstanding atomization. With no spray bars to sag, split, block airflow, or sustain damage, this plate offers unmatched durability and consistent performance.

Complete Kit Includes:

• 6061-T6 billet aluminum spraybarless nitrous plate for 4150-style 4-barrel carburetors
• Composite nitrous bottle with Pure-Flo 45 bottle valve
• Stainless steel bottle brackets for secure mounting
• Extra-long stainless braided supply lines
• Limited lifetime warranty solenoids
• Wide-open throttle (WOT) switch with mounting bracket
• All necessary jets for four power levels (50/100/150/200 HP)
• Complete installation hardware

Important: Race fuel is required for all horsepower settings over 150 HP. This economical nitrous system is proudly made in the USA and backed by Nitrous Express quality and support.