Description

The PDM-LMLRH is Industrial Injection's race cylinder head pair for the 2011-2016 6.6L Duramax LML — built for the racer and sled puller. Each head is fully 5-axis CNC-ported using CAD/CAM software specifically designed for cylinder head porting, then assembled with new diamond-honed iron-based guides, unshrouded valves, nickel-based seat inserts, and 130lb performance springs. Complete and ready to bolt on.

Part Number: PDM-LMLRH

Features

• 5-axis CNC-ported using CAD/CAM software designed for cylinder head porting
• Diamond-honed valve guides
• Unshrouded valves
• High-strength heat-treated iron-based valve guides
• Premium nickel-based non-magnetic valve seat inserts
• Multi-angle valve job
• 130lb performance valve springs
• Complete, ready to bolt on

Notes

• Sold as a pair.
• To receive full core credit, returned heads must be a re-useable pair with no cracks, warping, or excessive wear.
• Core deposit applies — return your old cores to recover the deposit.