HP Tuners Input/Output Expansion Harness I/O HARNESS          

HP Tuners 15' Flying Lead Wiring Harness COR-HAR-003

HP Tuners Gen IV LS Drive-by-Wire EFI Wiring Harness 58x COR-HAR-002

HP Tuners Gen III LS Drive-by-Cable EFI Wiring Harness 24x COR-HAR-001

HP Tuners Gen III/IV LS Core ECU COR-ECU-000 Introducing HP Tuners standalone engine management solution, delivering superior control overyour vehicle's powerplant.CORE ECU is designed for all levels of LS swaps and high-performance motorsports builds...

LSXceleration Gen V L83 L84 L86 L87 LT1 LT2 LT4 Fuel Injector O-Ring Kit 14-72366 Fuel Injector O-Ring Kit for 4 Injectors - 2 Kits needed per engine  

Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Late 550-1634-6 GM LT Drive-by-Wire Throttle Body and GM 6L80E and 6L90E Transmission Control Take control of your GM Gen V LT4, LT1, L83, or L86...

Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Early 550-1633-6 GM LT Drive-by-Wire Throttle Body and GM 6L80E and 6L90E Transmission Control Take control of your GM Gen V LT4, LT1, L83, or L86 engine...

Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Late 550-1624 GM LT Drive-by-Wire Throttle Body Control Take control of your GM Gen V LT4, LT1, L83, or L86 engine with Terminator X! Do not settle for a...

Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Early 550-1623 GM LT Drive-by-Wire Throttle Body Control Take control of your GM Gen V LT4, LT1, L83, or L86 engine with Terminator X! Do not settle for a...

Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control- 58x Late Truck w/6L80 - 550-918-6 24x Crank - 1x Cam - Multec 2 Injectors - 6L80/90 Transmission Control - 3.5-inch Touchscreen Take control of your LS engine and...

Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control- 58x Late Truck w/6L80 - 550-918-6 58x Crank - 4x Cam - EV6 Injectors - 6L80/90 Transmission Control - 3.5-inch Touchscreen Take control of your LS engine and 6L80...