The Mahle OE Moly Ring Set is a piston ring kit specified for a 4.155-inch bore with a 1/16-inch top and second ring and a 3.00 mm plasma-moly third ring in standard tension. These OE-style moly rings are intended for engine rebuilds that require the documented bore and ring dimensions, offering consistent tension and sealing characteristics aligned with the supplied specifications.
Mahle Rings 4.155in Bore 1/16in 3.00MM Plasma Moly Ductile Std Tension Engine Set Moly Ring Set