| Grant brand Piston rings, .030 oversize, for aluminum pistons.Additional Information Grant brand Piston rings, .030 oversize. For original style aluminum pistons only. These rings have a one piece ring for easy installation. The are for use with aluminum pistons with 1/8” ring groove. (These rings will not work with high compression pistons.) NOTE: use with pistons Part# 3021.030. Questions and Answers To ask a question about this item please press and fill out the form. Customers Who Bought This Item Also Bought | |