Enginetech Piston Rings C39156-030; 3.940 in.

Ford 6.0L Powerstroke V8 Diesel 2004 - 2010 Enginetech Premium Piston Rings

Enginetech S39116-030 Piston Ring Set Oversize .030 Engine Rebuild Kit

EngineTech Piston Ring Set for 1 Engine .030in .75mm Oversize .030in .75mm Overs

Enginetech Piston Rings R38056-030; 3.830 in.

Enginetech Piston Rings S39116-STD; 3.910 in.

Enginetech Piston Rings S39116-040; 3.950 in.

Enginetech Piston Rings S39116-020; 3.930 in.