R33 RB25DET 600HP Cylinder Head Parts Bundle
- Tomei Type-B Poncams (Drop-In)
- Supertech +1mm Valves
- Supertech 2081 Single Valve Spring Kit
- Supertech Titanium Retainers
- Supertech Valve Seal Kit
- Nubis Bronze Valve Guides
- BC Billet Valve Keepers
*For use with factory hydraulic lifters
About the manufacturer