COMP Cams · New
COMP Cams Camshaft Gm6.6L Duramax 258Xd
MPN 132-501-12 · Store SKU cca132-501-12
Supplier stock checked 11/7/2026, 9:18:22 PM UTC. Adding a part does not reserve it.
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Product details
Mechanical Roller-Designed for modified performance Applications (Exh., programmer, etc. upgrades) Good for limited towing. COMP Cams always recommends checking piston to valve clearance whenever installing a Camshaft. Modern engine design dictates a compact combustion chamber and tight clearances. Tolerance stack or Installation errors can result in interference and failure. COMP recommends .080" intake and .120" exhaust minimum piston to valve clearance in most Applications. Designed for modified performance applications (Exh., programmer, etc.). Good for limited towing. Tri-Power Xtreme 197/202 Solid Roller Cam for GM 6.6L Duramax Diesel
Manufacturer fitment & guides
Check 132-501-12 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y