Industrial Injection PDM-LMMRSB GM Race Short Block — Fits 2007.5–2010 6.6L LMM Duramax

Push your LMM to the limit. The Industrial Injection Stage 2 / Race Short Block is purpose-built for competition use with premium machining, balanced internals, and proven durability upgrades. It’s the foundation serious LMM builds are made of.

Confirmed Fitment

• 2007.5–2010 Chevy Silverado 2500HD/3500HD 6.6L LMM Duramax
• 2007.5–2010 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax

What’s Inside (Key Features)

• Balanced & blueprinted rotating assembly
• SIM-tested short block
• Precision machined & coated to OEM specifications
• Balanced & keyed stock Duramax crank
• 14mm Gorilla girdle with ARP main studs
• Wagler HD forged connecting rods
• Industrial Injection keyed billet alternate firing camshaft
• ATI Super Damper
• SunCoast billet flexplate
• Pinned oil pump & water pump, new oil pickup tube, stock oil pan
• Billet crankshaft available (optional upgrade)

Good To Know

• Core Charge: Additional charge applies at checkout.
• Break-In Oil: Requires Joe Gibbs (Driven) break-in oil for the initial 300–500 miles.
• Does not include additional gaskets, oil cooler, fuel, or turbo components.

Recommended Parts (On CPP Diesel)

• S&S Diesel 80% Over LMM Injector Set — matched set for clean fueling on performance builds.
• S&S Diesel 350% Over LMM Injector Set — for big-fuel race applications.
• S&S Diesel LBZ-Based CP3 Pump (LB7/LLY/LBZ/LMM) — proven high-pressure supply.
• Duramax CP3 Pumps & Components — browse the full CP3 category.
• GM Duramax Parts (All Generations) — cooling, air, exhaust, studs, and more.
• Shop All Industrial Injection @ CPP Diesel

FAQ

Will this short block fit my 2008 Silverado 2500HD LMM?

Yes — this unit is built specifically for 2007.5–2010 6.6L LMM Duramax applications across Silverado/Sierra 2500/3500 platforms.

Does it include gaskets or an oil cooler?

No. Gaskets and the oil cooler are not included. Add them from our Duramax categories above as needed.

What oil should I use for break-in?

Use Joe Gibbs (Driven) break-in oil for the first 300–500 miles before switching to your preferred performance diesel oil.

Is tuning required?

Competition builds typically require custom tuning, fuel system upgrades (injectors/CP3), and proper air management. See our recommended parts above.

Specifications

Brand	Industrial Injection
Part Number (MPN)	PDM-LMMRSB
Engine	6.6L LMM Duramax (2007.5–2010)
Configuration	Stage 2 / Race Short Block
UPC (GTIN-12)	840256915785
GTIN	GTIN-12: 840256915785
Core Charge	Additional core charge applies
Prop 65	WARNING: Cancer and Reproductive Harm — P65Warnings.ca.gov