COMP Cams

COMP Cams 258XD Mechanical Roller Camshaft for GM 6.6L Duramax

SKU: cca132-501-12 UPC: 36584124948
Backordered – call for lead time

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Expected ship time: usually within 24–48 hours; some vendor items may take longer.

Call: (503) 235-1947 | Email Us: info@dfispdx.com

$898.95
New

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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.

Got Questions? Feel free to email us or call us at (503) 235-1947

The 258XD sits in the middle of COMP Cams' XD Duramax range. It is a mechanical roller grind for modified 6.6L engines with upgrades such as exhaust and a programr, and it is rated for limited towing.

Key Features

  • 258XD mechanical roller grind (vendor code R109)
  • Designed for modified performance builds
  • Suitable for limited towing

COMP Cams recommends checking piston-to-valve clearance whenever a camshaft is installed; it calls for at least .080in on the intake and .120in on the exhaust in most applications.

Fitment

  • GM 6.6L Duramax diesel

Product Details

  • Brand: COMP Cams
  • Manufacturer Part Number: 132-501-12
  • Condition: New

Orders typically ship within 24–48 hours of being received, but because of vendor shipping times some orders may take longer. We ship within the United States only (48 contiguous states plus DC).

Shipping Height: 2.75

Shipping Length: 24.5

Shipping Width: 3.0
California Proposition 65
WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.