Shop by Engine

Upgrade reliability and performance with a proven CP3 fuel system. The Duramax LML CP3 Conversion Kit replaces the weak CP4 fuel pump on 2011–2016 Duramax 6.6L engines with the highly reliable CP3 pump. This upgrade not only improves performance b...

Introduction GM Duramax L5P All-In-One Delete Kit (2017-2025) is built for owners who want a complete, tuner-ready off-road solution without piecing together hardware, tuning and exhaust from multiple sources. This L5P delete kit is designed to a...

Send-In ECM Upgrade & Unlock Service E46 ECM tuning for Duramax LM2 trucks offers a convenient service to unlock and upgrade your ECM. This process, designed for 2020-2022 Chevy Silverado and GMC Sierra 1500 3.0L Duramax (LM2) models with the...

Eliminate the dreaded “death wobble” in your Dodge RAM with the Black Bandit Steering Stabilizer Bar. Engineered to rigidly connect both frame rails and support the steering box sector shaft, this stabilizer reduces play and provides a stronger, m...

Upgrade your GMC Sierra or Chevrolet Silverado 2500/3500 with this comprehensive All-in-One Duramax LML tuner and DPF delete kit, designed for 2011–2016 6.6L Duramax diesel engines. Engineered for maximum power, reliability, and efficiency, this ...

Streamline your tuning and diagnostics with the Dodge RAM Smart Access Cable, engineered for 2018+ Dodge, Jeep, RAM, and Chrysler models. This tool is essential for advanced ECU and TCM functions, including read, write, and special operations. It...

Upgrade your 2020–2022 3.0L GM Duramax LM2 1500 with this All-in-One Delete Kit. Designed to unlock hidden power and efficiency, this package combines tuning, exhaust, and hardware components into a single, seamless off-road performance upgrade. ...

The Iron Loader V2 is designed for the 2014–2017 Jeep Grand Cherokee EcoDiesel. Using Bluetooth connectivity and the PowerGate app (iOS & Android), this device allows you to tune your Jeep directly from your smartphone or tablet, eliminating ...

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and in...

Universal Unterminated Ignition Harness for HP EFI & Dominator EFISpecs: Brand: Holley EFI Category: Ignition Emission Code: 3 Harness Application: Universal Harness Type: Ignition Part Type: Ignition Harness Product Type: Universal Unt...

Universal Ford V8 Harness Kit for Holley HP and Dominator ECU'sFeatures: Harness Kit Includes: Main Power Harness, Universal MPFI Main Harness, Ford V-8 Injector Harness, Ignition Adapter & Tach Input Simple Installation Can be used with HP or...

Universal 6 Cylinder Injector Harness for HP EFI & Dominator EFIFeatures:Terminated and ready for plug and play injector connectionsSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 3 Harness Application: Universal H...

This Universal 4 Cylinder EV14 Injector Harness is designed to be plug and play with HP EFI & Dominator EFI Systems, utilizing our 205 LB/HR Injector Set - Part Number 522-205.Specs: Brand: Holley EFI Category: Air and Fuel Delivery Emissio...

Official Holley EFI license plate…perfect addition to any vehicle when your state doesn't require a front state issued license plate. Also, great for the garage, man cave, she shed, or even cubical wall. High gloss graphics on embossed aluminum is...

Unlocking, tuning and monitoring is now possible right from the cab of your Ford truck with the exciting release of Evolution CTS3 for 2020-2021 Ford Power Stroke. After the massive success of our in-field ECM/TCM Locksmith device for GM Duramax, ...

Introducing the next generation Evolution CTS3: all-new, full-Color Touch Screen CTS3. The CTS3 will continue to include all of the great features, benefits, and extended coverage from the CTS2 product line, all while adding a sleek, new exterior ...

Introducing the next generation Evolution CTS3: all-new, full-Color Touch Screen CTS3. The CTS3 will continue to include all of the great features, benefits, and extended coverage from the CTS2 product line, all while adding a sleek, new exterior ...