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45″ Steel Tappets
otherwise the steel could eat into the cast iron block
be sure to put a liberal amount of assembly lube in the oil pump and prime the oil filter
you’ll get consistent valve lift and avoid retarded cam timing
Dual Spring Kit – Made in the USA
1989-1998 Cummins 5.9L 12V Mahle POWERPAK B-Series Cast Performance Piston Set of 6 - 4.035 Bore (197952235) 1999 45″ Steel Tappets1989 1998 Cummins 5. 9L 12V Mahle POWERPAK Cast Piston Set of 6 4. 035 Bore (197952235) 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.