2007.5-2018 Cummins Stage 4 Concrete Filled Ported & Polished Cylinder Head w/ Fire Ring Grooves (PDM-67RHS3)
Purchase to earn 10337 Dirty Dollars Learn More
Description
Description
The PDM-67RHS3 is Industrial Injection's Stage 4 race head for the 2007.5-2018 6.7L Cummins — the top of the race head ladder. Fully CNC-ported with fire ring grooves, custom-port oversized 34mm valves, and concrete-filled water jackets to reinforce the deck against extreme cylinder pressure. Built for sled pullers and racers where head deformation is the limiting factor.
Part Number: PDM-67RHS3
Features
Features
- Stage 4 race head — concrete-filled
- 5-axis CNC porting on intake and exhaust ports
- Fire ring grooves machined into the deck surface
- Custom-port oversized 34mm stainless steel valves
- Unshrouded valves
- Diamond-honed high-strength alloy heat-treated iron-based valve guides
- Premium nickel-based non-magnetic valve seat inserts
- Multi-angle valve job
- 120lb performance valve springs
- Milled off intake to accept ZZ Fab side runner
Notes
Notes
- 34mm valves will not clear a 5.9 bore — must have a 6.4 or 6.7 bore to clear.
- Filled water jackets are intended for competition use only — not for street.
- Designed to run with a fire ring head gasket — confirm gasket and stud package before ordering.
- Head studs and head gasket sold separately.
Questions and Answers
Questions and Answers
Have a Question?
Be the first to ask a question about this.



