3 SPI .020 Over Bore Piston Kits for Polaris Indy 650 SKS RXL 1988-1997 68.25mm

3 SPI .020 Over Bore Piston Kits for Polaris

These three piston kits are .020 over bore for Polaris Indy 650, SKS, and RXL snowmobiles from 1988 to 1997, providing a reliable replacement for your rebuilt engine with a 68.25mm bore size.

Overview

These SPI piston kits are designed for Polaris Indy 650, SKS, and RXL sleds, offering a .020 over bore option to refresh your engine. Each kit includes a precision-machined piston and rings, ensuring a proper fit for your Polaris snowmobile. Use these piston kits to restore performance and compression in your two-stroke engine.

Built For Performance

• Precision-machined from high-strength aluminum alloy
• Includes piston rings and wrist pin for a complete kit
• .020 over bore for worn cylinder restoration
• Designed for Polaris 650 twin-cylinder engines
• 68.25mm bore diameter matches exact specifications

Fits These Machines

• for Polaris Indy 650
• for Polaris Indy SKS
• for Polaris Indy RXL
• for Polaris Indy models 1988-1997

On-The-Job Use

• Rebuilding Polaris Indy snowmobile engines
• Trail riding and recreational snowmobiling
• Racing applications requiring over-bore pistons
• Restoring vintage Polaris sleds from the late 80s and 90s

Specs At A Glance

Good To Know

Q: Will these fit my 1992 Polaris Indy 650? A: Yes, the 0.020 over bore piston kits are compatible with Polaris Indy 650 models from 1988 to 1997, but always verify your cylinder bore before ordering.

Q: Do these include gaskets? A: No, each kit contains the piston, rings, and wrist pin only; you will need to purchase a gasket set separately.

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