Description
1989-2018 Cummins 5.9L/6.7L Hamilton Cams 54mm (OEM) Camshaft Bushing Set (07-c-HC1)
Upgrade your Cummins valvetrain with our premium cam bearings, engineered to withstand higher pressures and extended RPM use. Ideal for replacing worn or damaged OEM bearings, these made-in-the-USA components provide long-lasting durability in both stock and performance builds.
Why Choose Hamilton High-Performance Cam Bearings?
- Durable Construction: Perfect for engines running over 450 lbs of nose pressure or steel camshafts.
- Versatile Fit:
- 12V Engines: One bearing on the first journal.
- Some Common Rail Engines: One bearing on the first journal and one on the seventh.
- For extreme builds, machine your block to run bearings on all seven journals.
- Two Size Options:
- HC-1: For stock-size cam journals (2.124″ diameter).
- HC-2: For large-journal cams (2.165″ diameter).
- Precise Bore Requirement: Both HC-1 and HC-2 bearings require a 2.333″ (+/− 0.0005″) cam bore.
Installation & Performance Tips
- Stock Replacement or Upgrades: Directly replace factory bearings to restore reliability or add extra durability for performance builds.
- Improved Load Handling: Designed to handle the stress of higher valve spring pressures and aggressive cam profiles.
- Peace of Mind: Machine your block for all seven journals if you’re pushing higher RPM or running higher-than-standard seat pressures.
Invest in our High-Performance Cam Bearings to extend the life of your valvetrain and confidently push your Cummins engine to new performance levels.
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