Description

The PDM-67RH is Industrial Injection's Stage 1 Race Head for the 2007.5-2018 6.7L Cummins — a fully CNC-ported race head built on a reconditioned, jet-washed, and magnafluxed core. New stainless steel valves and 120lb performance springs are installed on a milled and surfaced casting, designed with the racer and sled puller in mind and ready to bolt on.

Part Number: PDM-67RH

Features

• CNC-ported cylinder head (5-axis machine, CAD/CAM software)
• New stainless steel valves
• High-strength alloy heat-treated iron-based valve guides
• Diamond-honed valve guides (not reamed)
• Premium nickel-based non-magnetic valve seat inserts
• Multi-angle valve job (Serdi 100)
• Industrial Injection 120lb valve springs
• Drilled and tapped coolant freeze plugs
• Milled and surfaced (Berco milling machine)

Notes

• Intake runner milled off to accept ZZ Fab intake (sold separately).
• Head studs and head gasket sold separately — fire ring head gasket available for fire-ring builds.
• Stage 3 (ported & polished with fire-ring grooves) and Stage 4 (concrete-filled, ported & polished with fire-ring grooves) versions also available — see PDM-67RHS2 and PDM-67RHS3.
• Core deposit applies — keep your old head and return it to recover the deposit.