HAMILTON CAMS 07-CC-24V178 TOWING 178/208 CAMSHAFT COMBO | 1998.5-2007 & 2013-2018 Cummins 5.9L/6.7L

The Hamilton Cams 178/208 Towing Camshaft Combo is engineered for Cummins-powered daily drivers and tow rigs looking for improved efficiency, drivability, and lower exhaust gas temperatures. Featuring short duration and a wide lobe separation angle, this camshaft minimizes overlap to improve low-RPM response and fuel economy.

Ideal for trucks that tow heavy, operate at higher elevations, or run larger single turbochargers, this setup helps improve turbo spool-up while maintaining strong street manners and towing performance.

Key Benefits:

• Improved towing performance and low-end response
• Helps spool larger single turbos faster
• Can improve fuel economy by 1–3 MPG
• Reduces EGTs by 200–300 degrees
• Optimized for daily driving and heavy hauling

Features:

• 178/208 camshaft profile
• RPM range: Idle – 4000 RPM
• Duration @ .050": 178° intake / 208° exhaust
• Wide lobe separation angle for reduced overlap
• Excellent match for stock or larger single turbo setups
• Designed for overall engine efficiency and drivability

Combo Kit Includes:

• 178/208 camshaft
• 103 valve springs
• Heavy-duty pushrods
• New lifters/tappets

Installation Notes:

• Zinc additive required (not included)
• Proper piston-to-valve clearance must be verified during installation
• Oversize head gasket or valve reliefs may be required if minimum clearances are not met

Clearance Requirements:

• 1998.5–2002: Maximum .025" piston protrusion and minimum .038" valve face depth
• 2003–2007 & 2013–2018: Maximum .018" piston protrusion and minimum .038" valve face depth