1989-1998 Cummins 5.9L 12V Mahle POWERPAK B-Series Cast Performance Piston Set of 6 - 4.015 Bore (197952415) 2007.5 - 2009 Dodge Engine Components Exceeds API Service Categories for

Exceeds API Service Categories for heavy-duty-diesel engine oil: CK-4

The MAHLE pistons are OE quality

so they fit just like the original

precision fit for your 6BT Cummins camshaft with this Straight Key

1989-1998 Cummins 5.9L 12V Mahle POWERPAK B-Series Cast Performance Piston Set of 6 - 4.015 Bore (197952415) 2007.5 - 2009 Dodge Engine Components Exceeds API Service Categories for1989 1998 Cummins 5. 9L 12V Mahle POWERPAK B Series Cast Performance Piston Set of 6 4. 015 Bore (197952415) Designed for street strip or pulling trucks making 400 1000Hp that still get used as a daily driver or work truck. Machined from OE castings (retaining the steel top ring insert) giving the same driveability and longevity of an OE piston with additional strength through industry leading design technology.