2003-2007 Cummins 5.9L Mahle 1.20mm Head Gasket Set (HS54556)1. 20MM Service Specific Over Bore Head Gasket Standard HO (High Output) NON HO (NON High Output) Sold as a set ADDITIONAL INFORMATION Brand: MAHLE Original Part Type: Engine Gasket Sets Manufacturer's Part Number: HS54556

as the engine can focus on a more aggressive cam profile without the constraints of VVT adjustments

Constructed to meet factory specifications

7L Hamilton Cams Competition Springs (07-s-110)

Dualoy Diesel pistons are cast and machined in-house to maintain the highest level of quality and consistency

7L Cummins

9L Diesel with OEM quality pistons when you purchase the MAHLE 224-3520WR

This kit removes the hassle of trying to source all the parts needed to do the job right

4L Powerstroke with the MAHLE 224-3666WR-0

Comes with an aluminum knurled knob

Robust Construction: Thicker walls and a heavier diameter ensure minimal deflection under extreme cylinder pressures

High Buckling Strength: Withstand up to 5

Designed as an OE replacement piston