SPI .020 Over Bore Pistons, Bearings & Full Gasket Kit fits Ski-Doo 550F 76.5mm

SPI .020 Over Bore Pistons, Bearings & Full Gasket Kit for Ski-Doo 550F

This SPI kit includes .020 over bore pistons, bearings, and a full gasket set designed for rebuilding Ski-Doo 550F engines with a 76.5mm bore.

Overview

This SPI piston and gasket kit is a complete rebuild solution for the Ski-Doo 550F engine. It contains .020 over bore pistons, new bearings, and all necessary gaskets to restore engine compression and performance. This kit is intended for mechanics and owners performing a top-end or full engine overhaul on the 550F with a 76.5mm bore.

Built For Performance

• Forged pistons provide strength and heat resistance
• Precision-machined wrist pins and bearings reduce friction
• Full gasket set includes head, base, and exhaust gaskets
• Oversized .020 over bore compensates for cylinder wear
• Designed specifically for the Ski-Doo 550F engine

Fits These Machines

• for Ski-Doo 550F (76.5mm bore)

Specs At A Glance

Good To Know

Q: Is the gasket set included in this kit complete for a full engine rebuild? A: Yes, the kit includes all top-end gaskets needed for a piston replacement, but lower end gaskets may need to be purchased separately if required.

Q: Do I need to machine the cylinders before installing these .020 over pistons? A: Yes, the cylinders must be bored and honed to match the .020 oversize pistons to ensure proper clearance and ring sealing.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.