NOS Perfect Circle Piston Rings. Part 50664CP .040 Ford 6 Cylinder 240/300

Perfect Circle 50664 040-050 File-Fit Piston Rings - 1967-1974 FORD 240 300 I6

Perfect Circle 50564-040 Engine Piston Rings - .040" Oversize

Perfect Circle S40564CPCP.030 Moly Piston Rings Ford Chevy 4.030" Single Set

Perfect Circle 41474 .040 Piston Ring Set – Oversize for Precision Engine

Perfect Circle 51137CP.040 Piston Ring Set – 0.040" Oversize

NOS Perfect Circle Piston Rings. Part 50664CP .040. See pic.

NOS Perfect Circle Piston Ring Set. Part 50203CP .040. See pic.