Hamilton Cams 178/208 Cam Combo Kit 98-18 5.9L 6.7L Cummins 24-Valve

SKU: 07-cc-24V178 UPC: 857340008308
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Regular price $1,299.00

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase. Orders shipping to restricted areas may be canceled.

Complete 24-valve valvetrain package built around the 178/208 camshaft. The springs control the valvetrain to 4,500 RPM and 80 lbs of boost, the pushrods are rated past 3,000 HP, and the 1.45 inch tappets increase lobe contact area, so the parts are matched to each other rather than assembled piecemeal.

What's Included

  • 178/208 camshaft
  • Heavy duty pushrods, rated from OEM power to over 3,000 HP
  • 103 lb valve springs
  • 1.45 inch tappets

Key Features

  • Quickest spool and widest RPM band in the Hamilton cam range
  • Developed for work trucks needing low-RPM torque; also helps spool large single turbochargers
  • Reported benefits include better fuel economy, lower EGT and power retention at altitude
  • Hamilton dyno results on a 6.7L with a single S400: 1,100 HP stock head, 1,250 HP with larger valves, 1,588 HP at 4,500 RPM with a ported head

Fitment

  • 1998.5-2007 Dodge Ram 5.9L Cummins 24-valve
  • 2007.5-2018 Ram 6.7L Cummins
  • Flat-tappet engines only

Emissions

  • Not legal for sale in the State of California

Installation Notes

  • Verify piston-to-valve clearance during assembly
  • If minimum clearance is not met, run an oversized head gasket or cut valve reliefs

Break-In and Oil

Apply quality assembly lube to the camshaft and tappet faces, prime the oil pump and filter on a fresh build, and crank with fuel disconnected until oil pressure is confirmed. Never allow the engine to start without oil pressure. Set valve lash after any hot retorque, then change oil and filter.

Flat-tappet valvetrains require 15W-40 oil with adequate zinc, phosphorus and molybdenum (5W-40 in sub-zero conditions). Approved oils include Valvoline, Schaeffer's, Mobil Delvac Extreme, LIQUI MOLY Touring High Tech, Driven Racing Oil and Shell Rotella.

Product Details

  • Brand: Hamilton Cams
  • Manufacturer Part Number: 07-cc-24V178
  • UPC: 857340008308

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