Hamilton Cams 188/220 Cam Combo Kit 98-18 5.9L 6.7L Cummins 24-Valve

SKU: 07-cc-24V188 UPC: 857340008315
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Regular price $1,349.00

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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 on the 188/220 grind, which trades a little bottom end for stronger mid-range than the 178/208. Duration is 188 intake and 220 exhaust at .050 inch, operating from 1,700 to 4,500 RPM with a 200-300F EGT reduction.

What's Included

  • 188/220 camshaft
  • Heavy duty pushrods, rated from OEM power to 3,000 HP
  • 103 lb valve springs
  • Lifters and tappets

Key Features

  • 188/220 duration at .050 inch lift
  • 1,700-4,500 RPM operating range
  • Drops EGT by 200-300F
  • Increased mid-range power
  • Valve springs prevent valve float; heavy duty pushrods prevent lost valve lift and retarded timing

Fitment

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

Clearance Requirements

  • 24-valve: .018 inch or less piston protrusion, minimum .038 inch valve face depth with a standard gasket
  • If minimum clearance is not met, run an oversized head gasket or cut valve reliefs

Recommended Applications

  • 24-valve engines with a 66mm or smaller charger at low RPM, or large singles at higher RPM
  • Moderate singles or compound turbochargers — note that VP44 trucks should use the 178/208 instead
  • Weekend performance use, drag strip and stock-class pulling

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. Perform any hot retorque before setting valve lash.

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-24V188
  • UPC: 857340008315

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