Mahle Motorsports Pistons 4170MS-15: Standard Tension Piston Ring Set Bore: 4.165"/File Fit: 4.170"
Standard Tension
Standard Tension Piston Ring Set Bore: 4.165"/File Fit: 4.170" Top Ring: 1.5 mm Second Ring: 1.5 mm Oil Ring: 3 mm
Standard Tension
Standard Tension Piston Ring Set Bore: 4.165"/File Fit: 4.170" Top Ring: 1.5 mm Second Ring: 1.5 mm Oil Ring: 3 mm