1st Gen Cummins Icebox Intercooler/Radiator/Shroud set up

1st Gen Cummins Icebox Intercooler/Radiator/Shroud set up

This Radiator is all aluminum bar and plate core material unit, making it incredibly strong, and is built as a triple pass, making it a very efficient and well cooling radiator as well. The CAC package is all 3.5" thick core material and includes...

The Magic Bullet

The Magic Bullet

Exclusive to THD - "The Magic Bullet" Precision machined FSS fuel shutoff solenoid brass plunger for your 12v VE pump from Holy Performance! Stop fussing with torn rubber plungers and get this one for your beloved truck. Our special dimensions...

The Hungry Diesel - Competition VE Pump!

The Hungry Diesel - Competition VE Pump!

The Hungry Diesel very own Competion VE pump! This pump has done up to 648hp, fuel only, and pushes up to 320cc. Average cc is between 295-320cc. These pumps push more fuel than any other 12mm VE on the market. And it is still backed with a 2...

Stainless Steel Braided Fuel Line - 89-93

Stainless Steel Braided Fuel Line - 89-93

Both lines included (photo only shows one). Factory push lock fittings, direct "bolt in" set up. 3/8" supply and 5/16" return. Does not include clamps.

THD Lift Pump Kit + THD Fuel Pin + Governor Spring

THD Lift Pump Kit + THD Fuel Pin + Governor Spring

ON SALE! Package deal - THD Lift Pump Kit, THD Fuel Pin, and Gov spring. Note - add governor spring in notes. Options are 3200, 3800, or 4200

THD 3" Intercooler upgrade kit - 91.5-93

THD 3" Intercooler upgrade kit - 91.5-93

Full 3" intercooler piping upgrade kit. Cooler egt and more throttle response, allow for a better overall running engine. 


THD Non Intercooled 3" Cross Over Pipe

THD Non Intercooled 3" Cross Over Pipe

THD Non Intercooled Cross Over. Help your engine breath, and cool down those high egt. Feedback has shown 100 degree egt cooler and 3-4 psi gain on, even on a stock truck.

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THD Fuel Pin

THD Fuel Pin

The Hungry Diesel fuel pin is finally here! Made from 4140 and max hardened. This pin is properly cut, so to give maximum fueling, but not cut too deep to allow slide pin to slip past the O ring. The pin is also cut with a "flat" ramp design, as...

Low Pressure Piston Lift Pump Kit

Low Pressure Piston Lift Pump Kit

True high volume low pressure piston lift pump. Unlike other low pressure piston lift pumps these have the larger diameter piston, which push about 25% greater volume.

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BHAF Intake Kit 89-93 Cummins

BHAF Intake Kit 89-93 Cummins

1st gen intake kit. Kit utilizes the BHAF air filter, and smooth 4" exhaust tubing. Allow your 1st gen Cummins to breath!

AFC Line Upgrade Kit - Braided Stainless Steel

AFC Line Upgrade Kit - Braided Stainless Steel

1st gen 89-93 Braided AFC Line Upgrade. Replace that common to break afc line, with a braided line that will never break again. NOTE - PICTURES IS FOR MANUAL TRUCKS. Does not fit 91.5-93 automatic trucks with TPS.

Return policy

Items returned within 30 days, in good condition and not used, are accepted.
In some cases, a restocking fee will be charged.