Piston Ring Mercruiser→GM Inline

Part # & Price	Description
HAS5570 $43.95	Piston Ring Set, GM 181 cid 3.0L Piston Ring Set for GM 181 cid 3.0L 4 cylinder. BORE: 4.0" COMPRESSION GROOVE(S): 2.0/2.0 mm OIL GROOVE: 4.75 mm Please verify your Ring thickness before ordering. Ring Sets are Non-Returnable. This set includes Piston Rings for all of the Pistons in your engine (1 set per engine)
HAS665 $49.95	Piston Ring Set, GM 153 cid 2.5L 4 Cylinder Piston Ring Set for GM 153 cid 2.5L 4 cylinder BORE: 3-7/8" COMPRESSION GROOVE(S): 2.0/2.0 mm OIL GROOVE: 4.75 mm Please verify your Ring thickness before ordering. Ring Sets are Non-Returnable. This set includes Piston Rings for all of the Pistons in your engine (1 set per engine)
HAS667 $39.95	Piston Ring Set, GM 250 cid Inline 6 Cylinder Piston Ring Set for GM 250 cid Inline 6 cylinder. BORE: 3-7/8" COMPRESSION GROOVE(S): 2.0/2.0 mm OIL GROOVE: 4.75 mm Please verify your Ring thickness before ordering. Ring Sets are Non-Returnable. This set includes Piston Rings for all of the Pistons in your engine (1 set per engine)