Hamilton Cams Stage 1 178/208 steel billet camshaft for 1989-2018 Cummins. Designed for towing, fuel economy, and low-end torque.
Stage 1 178/208 Steel Camshaft
The Hamilton Cams Stage 1 178/208 is the perfect efficiency cam for 1989-2018 Cummins 5.9L & 6.7L engines. Designed to drop EGTs 200-300°F, improve spool-up, and add usable low-end torque without sacrificing daily-driver manners. Made famous when paired with a single S-488 turbo to make 1,588 horsepower at 4,500 RPM on a 6.7L.
Specifications
- Duration at .050″ lift: 178° intake / 208° exhaust
- Valve lift: .290″ intake / .310″ exhaust
- Lobe separation angle: 108° LSA
- RPM range: Idle - 4,000 RPM
- Material: Steel billet
- 49-state EPA approved on 1998-2024 5.9L & 6.7L applications
Benefits
- Drops EGTs 200-300°F
- Quicker turbo spool-up
- Increased low-end torque
- Works with any size turbo, large or small
Required Modifications
- Must run steel tappets/lifters (cast lifters will not work with steel cams)
- Block must be machined for cam bushings
- Upgraded valve springs (103# minimum) recommended
- Upgraded pushrods recommended
- Drop-in on 12V: max .020″ piston protrusion, min .055″ valve face depth, 99 intake centerline
- Drop-in on 24V: max .020″ piston protrusion, min .038″ valve face depth, standard gasket
Warranty
Warranty applies only when used with Hamilton Cams tappets and valve springs.
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