1939 – 1942 Mercury V8

This is a .020″ Oversize Set
Set contains the following:
Top Groove Compression
3-3/16″ x 3/32″

2nd Groove Compression
3-3/16″ x 3/32″

Bottom Groove Oil
3-3/16″ x 5/32″

This Package contains all rings necessary for above installation.

Made in USA
Manufactured by Burd Piston Ring Co. of Rockford Illinois
Part # 583 + .020