Search Results for: LT4 Harness

#HY625846S 2015+ Corvette Supercharged LT4 Harness w/Manual Transmission

#HY625846S – 2015+ Corvette Supercharged LT4 Harness w/Manual Transmission

Harness part #HY625846S allows transplant of an LT4 engine into a unlimited number of applications from Street Rod, Pro-Touring, Off-Road, Sandrails, Street machines etc. Harnesses are…

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#HY625846ST 2015+ Corvette Supercharged LT4 Harness w/6L80/90 Automatic Transmission

#HY625846ST – 2015+ Corvette Supercharged LT4 Harness w/6L80/90 Automatic Transmission

Harness part #HY625846ST allows transplant of an LT4 engine into a unlimited number of applications from Street Rod, Pro-Touring, Off-Road, Sandrails, Street machines etc. Harnesses…

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Howell EFI Now Offers LT1/LT4 and EcoTec3 Harnesses for Classic Corvettes, Muscle Cars and Trucks

Marine City, MI… October 7, 2021 – Howell EFI, a leader in EFI conversion kits (GM/TPI/TBI) and wiring harnesses for direct injection swaps, now offers plug and play LT1/LT4 and EcoTec3 wiring…

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LT1

LT1/LT4/Ecotec3 Gen V Swap Harnesses Now Available!

Howell EFI is pleased to introduce their new 2016 LT1 Camaro, 2014 – 2016 LT1 Corvette, and 2015 – 2016 LT4 Corvette harnesses, as well…

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EcoTec3 5.3L

Howell LT/EcoTec3 Conversion Harnesses and Accessories Now Available for GM Direct Injection Swaps

Marine City, MI, (April 11, 2019) – Howell EFI, long been known as a leader in EFI conversions since the late 1980’s beginning with GM TPI conversions,…

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Howell EFI Launches New Website, Introduces Free Shipping and March Madness Promotion

Marine City, MI, (February__, 2024) – For 35 years, Howell EFI has been a leading manufacturer of electronic fuel injection for older pre-computer vehicles of…

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LT EcoTec3

About The LT Engine Family The General Motors Gen V LT and EcoTec3 engines are part of the fifth generation of small-block V6 and V8…

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Bill Howell Grand Marc Car

Howell Engine Developments, Inc. Reports the Passing of Founder and Automotive Industry Legend Billy Haegen Howell

Marine City, MI… August 26, 2021 – Automotive pioneer and industry legend, Billy “Bill” Haegen Howell, passed away on July 22, 2021, after a battle…

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