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NEW! Howell EFI LT1 Swap Wiring Harness

Howell EFI Marine City Facility Tour

Howell EFI GM LS/Vortec Swap Wiring Harnesses and the Howell EFI Difference

Howell EFI TBI Kit Overview

Howell EFI Jeep & Off Road Kits

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

Howell EFI Race Series Involvement

Howell EFI: Tuned Port Injection Customer Testimonial

Howell EFI Outside Automotive Work