Heads

The Industrial Injection LML Duramax Stock Remanufactured Heads are designed to be a factory replacement. Complete ready to bolt on. Heads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Give new life to your Duramax with our fully re-manufactured cylinder heads. Each cylinder head is re-manufactured in our state-of-the-art Freedom Racing Engine shop and guaranteed to...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Give new life to your Duramax with our fully re-manufactured cylinder heads. Each cylinder head is re-manufactured in our state-of-the-art Freedom Racing Engine shop and guaranteed to...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Give new life to your Duramax with our fully re-manufactured cylinder heads. Each cylinder head is re-manufactured in our state-of-the-art Freedom Racing Engine shop and guaranteed to...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Give new life to your Duramax with our fully re-manufactured cylinder heads. Each cylinder head is re-manufactured in our state-of-the-art Freedom Racing Engine shop and guaranteed to...

New Stock Head Loaded With Valves

12V RACE HEAD This cylinder head will be ready for your street race truck. It comes equipped with fire ring, ported valve bowls, exhaust porting, and 150 lbs valve springs. fire ring, ported valve bowls and exhaust port ,150lbs valve springs

2007.5+ Cummins 6.7L Stock Head Features:      - Upgraded Stainless Steel Valves      - Diamond Honed Guides      - New Stock Valve Springs      - Decked Surface  ...

The Industrial Injection 6.7L Cummins Race Heads are designed for the racer/sled puller in mind. Fully CNC ported heads complete ready to bolt on.  Heads are the first jet washed in a high-pressure spray cabinet to remove oil and...

Heads are the first jet washed in a high-pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next, they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would...

The Industrial Injection 6.7L Cummins Race Heads are designed for the racer/sled puller in mind. Fully CNC ported heads complete ready to bolt on.  Heads are the first jet washed in a high-pressure spray cabinet to remove oil and...

Heads are the first jet washed in a high-pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next, they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would...

The Industrial Injection 6.7L Cummins Race Heads are designed for the racer/sled puller in mind. Fully CNC ported heads complete ready to bolt on.  Heads are the first jet washed in a high-pressure spray cabinet to remove oil and...

Heads are the first jet washed in a high-pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next, they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would...

The Industrial Injection 6.7L Cummins Race Heads are designed for the racer/sled puller in mind. Fully CNC ported heads complete ready to bolt on.  Heads are the first jet washed in a high-pressure spray cabinet to remove oil and...

The Industrial Injection 6.7L Cummins Race Heads are designed for the racer/sled puller in mind. Fully CNC ported heads complete ready to bolt on.  Heads are the first jet washed in a high-pressure spray cabinet to remove oil and...

The Industrial Injection 6.7L Cummins Race Heads are designed for the racer/sled puller in mind. Fully CNC ported heads complete ready to bolt on.  Heads are the first jet washed in a high-pressure spray cabinet to remove oil and...

Heads are the first jet washed in a high-pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next, they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would...

Inustrial Injection 24V3GRACEHEAD 03-07 5.9 Fire Ring, Ported Valve Bowls & Exhaust Port, Mill Intake & 110LBS Valve Springs

Product Description LB7 Stage 2 CNC Ported Cylinder Heads   (This is currently our maximum effort cylinder head offering)   These are CNC Ported in house using the latest in simultaneous 5 axis Cad/Cam technology. We have...