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  Howell Engine Developments, Inc. :: GM TBI Products



Replace the venerable carburetor; hard starting, low tech and difficult to maintain. Kick your carb to the curb and replace it with a complete Throttle Body Fuel Injection System from Howell Engine Developments.

Perfect for GM, Ford, Chrysler and Jeep engines in street and 4x4 off-road applications, Howell’s TBI systems give you one touch starting, precise fuel delivery, more power, better gas mileage and consistent fuel delivery all in an easy to install package.

Each Howell TBI system includes every component you need to make the swap, along with full instructions and 20 plus years of EFI experience. Your system will come with the throttle body assembly, all sensors, components, and wiring harnesses; ECM and fuel pump. We even include a custom calibration PROM to match your engine, and one of our intake adapter plates to match your intake manifold.

The wiring harnesses included in all Howell TBI kits feature GM/Packard high temp wire and waterproof Packard Weatherpack connectors that keep you firing on all cylinders even in the rain, mud or snow. Our pre-assembled harnesses and individually labeled connectors make installation a snap, and our high grade looms and bindings will look clean and professional, even if you plan to get down and dirty.

Compatible with ECM and non-ECM controlled ignitions, this is the simplest way to add modern fuel injection to almost any V6, I6 or V8 engine. And if you are already running a TBI system we sell most of our system parts separately as well.

Check out our wide range of applications and various harness lengths to accommodate just about any application you can think of. If you don’t see a TBI for your engine or chassis, give us a call and we will help you find what you need.

GM TBI Products

 Complete TBI Kits
15 products
 Wiring Harnesses Only
3 products
 Parts & Accessories
24 products
     
 

Featured products

TBI KIT: Universal V-8
TBI KIT: Universal V-6
ADAPTER PLATE: Holley 500 2-bbl to GM TBI, .5" thick
 

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