This Mahle OE moly piston ring set is specified for a 4.535 inch bore with a high-tension configuration of 1/16, 1/16 and 3/16 inch ring widths, listed as PC479 for performance engine applications. It supplies moly-faced rings suitable for rebuilding or performance engine assembly. Mahle OE parts are intended to meet OEM fit and function for specified bore and ring size combinations.
Mahle Rings 4.535in Bore 1/16in1/16in3/16in PC479 Fire-Power High Tension Perf Eng Set Moly Ring Set