2004.5-2005 Duramax Race Heads (PDM-LLYRH)
Purchase to earn 5465 Dirty Dollars Learn More
Description
Description
The Industrial Injection LLY Duramax Race Heads are built for the racer and sled puller. Fully CNC-ported on a 5-axis machine with CAD/CAM tooling, then fitted with heat-treated alloy valve guides, premium nickel-based seat inserts, unshrouded valves, and 130lb performance springs — bolt-on cylinder heads ready for serious power.
Features
Features
- 5-axis CNC cylinder-head porting with dedicated CAD/CAM software
- Diamond-honed valve guides for consistent bore size and finish
- Unshrouded valves and multi-angle valve job
- High-strength alloy, heat-treated iron-based valve guides
- Premium nickel-based non-magnetic valve seat inserts
- Performance 130lb valve springs
Notes
Notes
- Sold as a pair.
- Core deposit applies — keep your old cylinder heads and return them to recover the deposit. To receive full core credit the heads must be a re-usable pair with no cracks, warping, or excessive wear.
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Questions and Answers
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