Piston Ring Sets 1.5mm 1.5mm 3.0mm

 Mahle GM LS 4.000" Bore 1.2mm 1.5mm 2.5mm Ring Set 42084CP Performance Replacement ring set for GM LS 6.0L with 4.000" bore 1.2mm 1.5mm 2.5mm.  Mahle Original piston ring sets are designed to be installer-friendly. They are pre-lapped to...

Perfect Circle 4.000" Bore 1.5mm 1.5mm 3.0mm Ring Set Performance Replacement ring set for GM LS 6.0 with 4" bore 1.5mm 1.5mm 3.0mm. 

Mahle Motorsports 4.000" 1.5mm, 1.5mm, 3.0mm Drop-In Rings  4000MS-15D Mahle Performance piston rings evolved from their pioneering use of piston ring simulation and computer development tools to develop rings that provide "free" horsepower by...