Description
- New
Complete Powerhead Rebuild Kit for Mercury & Mariner 70-90hp 3 Cylinder Bigfoot Outboards, 1987-1991, OEM Cylinder Bore Size 3.375". For engines that use Bottom Guided Connecting Rods. Casting number on your connecting rod #638-8532-1. Includes: 3 Pistons, 3 Piston ring sets, 3 Wrist-pins with circlips, 3 Wrist-pin bearings, 1 Upper main bearing, 2 Center main bearing, 1 Lower main bearing, 3 Connecting rod bearings, 1 Powerhead gasket set with seals, 6 connecting rod bolts. Handling time 1-3 Business Days. Questions about this item? Call TSM Performance at 847-526-6211