3 Sets SPI Stock Bore Piston Rings for Polaris Indy 650 SKS RXL 1988-97 67.75mm

3 Sets SPI Stock Bore Piston Rings for Polaris

These 3 sets of SPI stock bore piston rings are for Polaris Indy 650, SKS, and RXL models from 1988 to 1997, with a bore size of 67.75mm.

Overview

These SPI stock bore piston rings for Polaris Indy 650, SKS, and RXL snowmobiles provide a precise sealing solution for engine rebuilding. Each set is designed for 67.75mm bores, ensuring proper compression and oil control in 1988-1997 models.

Built For Performance

• Manufactured from high-quality cast iron for wear resistance
• Stock bore size 67.75mm for direct replacement
• Includes top compression ring, second ring, and oil ring
• Tested for consistent tension and gap

Fits These Machines

• for Polaris Indy 650 (1988-1997)
• for Polaris SKS (1988-1997)
• for Polaris RXL (1988-1997)

On-The-Job Use

• Used during top-end engine rebuilds on vintage Polaris snowmobiles
• Ideal for restoring compression in two-stroke engines
• Commonly installed by snowmobile enthusiasts restoring old sleds

Specs At A Glance

Good To Know

Q: Are these rings compatible with aftermarket pistons? A: They are designed for stock bore; use with OEM or SPI stock pistons of same bore.

Q: Do I need to gap these rings? A: Ring gap should be checked and adjusted per your engine's specifications for best performance.

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