3 SPI Standard Bore Piston Kits for Polaris Indy 650 SKS RXL 1988-1997 67.75mm

SPI Standard Bore Piston Kit (Set of 3) for Polaris Indy 650 SKS RXL

The SPI standard bore piston kit (set of 3) offers a reliable replacement for 1988-1997 Polaris Indy 650, SKS, and RXL snowmobiles, with a 67.75mm bore for precise engine rebuilding.

Overview

SPI standard bore piston kits (set of 3) are designed for Polaris Indy 650, SKS, and RXL models from 1988-1997. Each kit delivers the pistons, rings, and wrist pins needed for a complete top-end overhaul, ensuring matched performance across all cylinders. The 67.75mm bore size matches factory specifications for straightforward installation.

Built For Performance

• 67.75mm bore diameter matches OEM sizing for direct fit
• Includes pistons, rings, and wrist pins for a complete set
• Designed for Polaris Indy 650, SKS, and RXL engines
• Covers model years 1988 through 1997 for broad compatibility
• Manufactured to SPI quality standards for reliable operation

Fits These Machines

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

On-The-Job Use

• Installing in Polaris snowmobile engines during rebuilds
• Replacing worn pistons on Indy 650 models
• Overhauling top ends on SKS and RXL sleds
• Restoring compression and performance to stock specifications

Specs At A Glance

Good To Know

Q: What is included in this piston kit? A: Each kit includes three pistons, three ring sets, and three wrist pins for a complete 3-cylinder top-end rebuild.

Q: Will this kit fit my 1990 Polaris Indy 650? A: Yes, the 67.75mm bore matches the standard bore size for 1988-1997 Polaris Indy 650 engines, but always confirm your engine serial number for exact fit.

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