Pistons

 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.