The Sea-Doo 587 Top End Kit from SBT is a premium engine rebuild kit designed specifically for 1988–1991 Sea-Doo 587-powered personal watercraft. Whether you’re restoring a classic Sea-Doo or rebuilding an engine with worn components, this complete kit provides everything needed for a reliable and professional top-end overhaul.
The Sea-Doo 587 Top End Kit includes two precision-manufactured SBT pistons, matching piston ring sets, wrist pins, wrist-pin bearings, C-clips, a base gasket, a complete water jacket O-ring set, and exhaust gasket(s). Every component is engineered to provide precise fitment, excellent durability, and dependable performance, helping restore engine compression and reliability.
Replacing all major top-end components at the same time helps improve throttle response, restore lost power, reduce engine wear, and extend the service life of your Sea-Doo engine. The included water jacket O-ring set ensures proper cooling system sealing, while the exhaust gasket(s) complete the rebuild for a dependable installation.
Ideal for marine workshops and DIY enthusiasts, the SBT Sea-Doo 587 Top End Kit delivers the quality and reliability trusted by personal watercraft owners worldwide. Whether you’re carrying out preventative maintenance or a complete engine rebuild, this kit provides OEM-quality components to get your Sea-Doo back on the water with confidence.
Top-end Kit includes:
2 SBT Pistons
2 Ring Sets
2 Wrist-Pins
2 Wrist-Pin Bearings
2 C-Clips
1 Base Gasket
1 Water Jacket O-Ring Set
Exhaust Gasket(s).






