
GM LS-Series Products
GM LS Series Products

GM LT1/LT4 Products 2014+
General Motors LT1/LT4 Products (2014+)

Complete TBI Kits

50 State Legal Jeep TBI

Jeep
Jeep Products

GM Vortec Products
General Motors Vortec products. V6, Small Block, Big Block and Gen IV LS Series

GM EcoTec3 Products 2014+
GM ECOTec3 products

GM TPI Products
NEWS & TECH
- Howell TBI Conversion Kits Now Available for 1974-1993 Dodge Ramcharger and Plymouth Trailduster SUV
- Howell EFI Introduces TBI Conversion Kits for Classic International Harvester Scout Trucks
- Howell EFI I-6 and V8 Ford TBI Conversion Kits Improve Driveability and Fuel Mileage for Classic Ford Broncos