The Mahle OE sleeve and three-ring piston assembly fits applications with a 4.125-inch bore and is supplied as a complete sleeve/ring set for engine rebuild or ring replacement. Intended to restore proper bore and ring sizing, this assembly is specified for cases calling for the listed bore dimension and three-ring piston configuration to help re-establish sealing and compression.
Mahle Rings CASE 4.125in Bore 3 Ring Piston Sleeve Assy Ring Set