Howell EFI Outside Automotive Work

Howell EFI: Tuned Port Injection Customer Testimonial

Howell EFI Race Series Involvement

Bill Howell On His Engineering & Racing History At General Motors & Founding Howell EFI

Howell EFI Jeep & Off Road Kits

Howell EFI TBI Kit Overview

Howell EFI Custom LS Swap Harnesses & Customer Service

Howell EFI LT1 Swap Wiring Harness

Howell EFI introduces their new LT1 (2014+) swap wiring harnesses for General Motors 4.8-6.2L Truck & Corvette, Camaro Direct Injection Small Block V8

Howell EFI Marine City Facility Tour

Matt Howell discusses their facility, history, philosophy and team in Marine City, MI