Product Description
Industrial Injection PDM-LB7RSB GM LB7 6.6L Duramax Race Short Block (2001–2004)
Built for maximum reliability under extreme power. The Industrial Injection Race Short Block for the 2001–2004 LB7 Duramax is engineered for serious competition use, precision machined, and assembled with premium components to handle elevated boost and fuel demands.
Fitment
- 2001–2004 Chevrolet Silverado 2500HD/3500HD – 6.6L LB7 Duramax
- 2001–2004 GMC Sierra 2500HD/3500HD – 6.6L LB7 Duramax
Looking for complementary upgrades? Explore our LB7 categories and recommended parts on our site:
- LB7 Duramax Parts & Upgrades
- Industrial Injection – All Products
- Short Blocks & Long Blocks
- S&S Diesel Motorsport (LB7 Injectors & Fuel)
Why Choose This Short Block
- Competition-ready foundation for high horsepower LB7 builds
- Precision machining and premium component selection
- Built for durability and repeatable performance
Note: A refundable core charge applies; see our product page for current amount and details.
Specifications
| Manufacturer | Industrial Injection |
|---|---|
| Part Number (MPN) | PDM-LB7RSB |
| Engine | GM 6.6L LB7 Duramax (2001–2004) |
| UPC | 840256915471 |
| GTIN | 840256915471 |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
| CARB Status | Not CARB legal; not for sale or use in CA on pollution-controlled vehicles |
| Core Charge | Required (refundable; see product page for current amount) |
Recommended Parts
- S&S Diesel LB7 SAC Injectors – improved durability and precise fuel delivery
- LB7 High-Flow Lift Pump & Filtration – stable supply for high power
- Performance Turbocharger Upgrade – supports target boost levels
- Head Studs & Gasket Set – sealing under high cylinder pressure
- Custom Tuning – calibrate for reliability and power
FAQs
Q: Will this fit my truck?
A: Yes, if you have a 2001–2004 Silverado/Sierra 2500HD or 3500HD with the 6.6L LB7 Duramax.
Q: Is this street legal?
A: This is a race/competition short block and is not CARB legal for on-road use in California.
Q: Do I need a core?
A: Yes. A refundable core charge applies. Please see our product page for the current core amount and return instructions.
Q: What else do I need to complete the build?
A: We recommend upgraded injectors, fuel supply, turbo, head studs, gaskets, and proper tuning. See “Recommended Parts” above for links.
