UPGRADE BULLETINS
- Head Stud Upgrade Bulletin
- ARP Rod Bolts Upgrade
- 5-9L-6-7L Cummins Thermal Barrier Coated Piston
- 6.4L Powerstroke HD Piston Upgrade Bulletin
- 6.6L Duramax Mahle Motor Sport Piston Upgrade Bulletin
- 5.9L / 6.7L Cummins / 6.0L / 6.4L Powerstroke Camshaft and Flycut Piston Upgrade Bulletin
- 6.6L Duramax Keyed Crankshaft Upgrade Bulletin
- 6.6L LB7 / LLY Connecting Rod Upgrade Bulletin
- 7.3L Powerstroke Valve Spring Upgrade Bulletin
- Melling Oil Priming Tank
- ZDDP Zinc Oil Additive