Hamilton Cams Flat Tappet Conversion Kit 25-26 Ram 6.7L Cummins

SKU: 07-cc-24v-25-26 UPC: 857340008941
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Regular price $3,999.00

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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 flat tappet conversion for the 2025-2026 Ram 6.7L Cummins, replacing the factory roller valvetrain with Hamilton's forged steel camshaft and DLC-coated tappet package.

What's Included

  • Forged steel camshaft
  • DLC-coated steel tappets
  • Heavy-duty pushrods
  • Rocker arms

Key Features

  • Forged camshaft rather than cut from bar stock, producing a denser and more uniform grain structure with a harder exterior layer formed during forging
  • Tappets are gas carburized and polished to create a stable hardened base for the DLC coating
  • DLC coating substantially reduces friction and wear

Fitment

  • 2025-2026 Ram 6.7L Cummins 24-valve

Ordering and Installation Notes

  • Rocker arm core charge applies
  • DLC coating can be damaged by incorrect oil, improper valve lash, valve float or excessive RPM; correct operating conditions are essential to service life

Break-In and Oil

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-24v-25-26
  • UPC: 857340008941

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