8BA-6149S Set of 8 Four-Ring Piston Ring Sets for 3-3/16" (3.1875") Cylinder Bore
Available in Sizes: Std, .030, .040, .060, .080, or .125. Choose size when adding to cart.
Size must be selected before adding to cart. .020 & .100 sizes are not available.
Note: 8BA Rings must be used with Ford 8BA or Mercury EAC Pistons when fitting in 1939-48 motors. The 8BA & EAC type pistons have a 3/16" (.1875) wide oil ring groove. Some 39-48 motors were built with 8BA pistons. The 8BA rings will not fit the original 29A pistons with 5/32" wide oil control grooves.
Proudly made in the USA