Availability
Air/Fuel Delivery Parts for Carbureted & Fuel Injected Engines
Nitrous Oxide Systems, EFI Plate, Wet Style, WOT Switch Activation, 10 lbs. Bottle, for Use On 78mm LSX Intakes, Cadillac, Chevrolet, Pontiac, Kit
Part Number: NXO-00-10102-10
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Special Offer
Buy this Nitrous System and get a FREE 10lb. Bottle!
Estimated Ship Date: Mar 2, 2026 if ordered today
Fuel Injection System, Go EFI 2x4 Dual-Quad 625 HP Self-Tuning, Throttle Body, Satin Black, Injectors, ECM, Kit
Part Number: FIF-30062
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System, Ultimate LS 500 HP, Multiport, Tall Intake for Truck Accessories Cathedral Port, Go Fuel, Transmission Controller, Kit
Part Number: FIF-76207
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Return Style Pump, 3.5 in. Display, Kit
Part Number: SNE-550-510-3XR
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Return Style Pump, 3.5 in. Display, Kit
Part Number: SNE-550-511-3XR
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, Bluetooth, Kit
Part Number: SNE-550-511-BXK
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Nitrous Oxide System, Hitman Plus, Wet, 100-200 hp, 5 lb. Bottle, White, Square Bore, 4-Barrel, Kit
Part Number: NEX-40041-05
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Nitrous Oxide Systems, Assassin Plate Stage 6, Dominator 4150 Flange, 50-300 HP, No Bottle, Wiring, Hardware, Universal, Kit
Part Number: NEX-67040-00
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Water/Methanol Injection System, POWER-MAX, Water Injection Pump, Wiring Harness, Dodge, 5.9L, Diesel, Kit
Part Number: SNO-400
Not Yet Reviewed
Estimated Ship Date: Mar 5, 2026 if ordered today
Estimated Ship Date: Mar 5, 2026 if ordered today
Fuel Injection System, Mean Street 800 HP Self Tuning, Throttle Body, Satin Black, Force Fuel System, Kit
Part Number: FIF-35208
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Black Powdercoat, 550 HP Max, Gen III/IV, Cathedral Port, Kit
Part Number: EDL-35733
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Go EFI 8 1200 HP Bright Aluminum Finish System
Part Number: FIF-30013
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, 5 in. Display, Kit
Part Number: SNE-550-510-5XK
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, Bluetooth, Kit
Part Number: SNE-550-510-BXK
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection Systems, Terminator X Max, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Aluminum, Black, Trans Control, Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1029
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Water/Methanol Injection System, Stage 2, Carburetor/EFI, Supercharger, Turbocharger, Each
Part Number: SNO-20010
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection Systems, Terminator X, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Shiny, Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1020
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel System, Gasoline, Pump, Regulator, Filter, Fuel Line, Universal, Kit
Part Number: SUM-PUMPKIT7A
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Nitrous System, Dual/4150 4-Barrel/Gas, 50-100-150-200-250-300 HP, No Bottle, Kit
Part Number: NEX-30240-00
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Fuel Injection Systems, Terminator X, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Black, Chevy, 4.8-7.0L, Kit
Part Number: HLY-550-1021
Not Yet Reviewed
Estimated Ship Date: Mar 4, 2026 if ordered today
Estimated Ship Date: Mar 4, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1022
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Nitrous System, 10 lb Bottle, Q-Jet/Holley Spreadbore, Hitman Kit, 100-150-200 HP, Kit
Part Number: NEX-40080-10
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, Bluetooth, Kit
Part Number: SNE-550-510-BAX
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System, Go EFI 2x4 Dual-Quad 625 HP Self-Tuning, Throttle Body, Tumble Polished, Injectors, ECM, Kit
Part Number: FIF-30061
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, EFI Transplant, Multi-Port, Mass Airflow, Standard Length, Ford, Small Block, Each
Part Number: PRF-60510
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Touch Screen Upgrade, 3.5 in. LCD, Fast EZ-EFI, Each
Part Number: FST-170633-06KIT
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster