Merchant 930029875 De-Lipped Motorsport Piston Kit | 01-16 GM 6.6L Duramax 2500HD/3500HD

Duramax Cast Performance Piston by Mahle®. Performance coatings include a phosphate dry lubricant (not to be confused with a thermal film coating) that is used to protect against ring micro-welding and pin galling during initial startup and break-in.