Piston Rings - Street - 3.866 in Bore - 2.5 mm x 2.0 mm in x 3.0 mm Thick - Standard Tension - Steel - Ford Powerstroke - Kit

Piston Rings - Street - 3.886 in Bore - 2.5 mm x 2.0 mm in x 3.0 mm Thick - Standard Tension - Steel - Ford Powerstroke - Kit

Piston Rings - Street - 3.898 in Bore - 3.0 mm x 2.0 mm in x 2.5 mm Thick - Standard Tension - Steel - Ford Powerstroke - Kit

Piston Rings - Street - 3.918 in Bore - 3.0 mm x 2.0 mm in x 2.5 mm Thick - Standard Tension - Steel - Ford Powerstroke - Kit

Piston Rings - Street - 4.055 in Bore - 3.0 mm x 2.0 mm in x 3.0 mm Thick - Standard Tension - Steel - GM Duramax - Kit

Piston Rings - Street - 4.075 in Bore - 3.0 mm x 2.0 mm in x 3.0 mm Thick - Standard Tension - Steel - GM Duramax - Kit