3 SPI Standard Bore Piston Kit for Polaris Indy XLT 580 SP SKS 64mm 1992-1994

Standard Bore Piston Kit for Polaris

This standard bore piston kit for Polaris includes three pistons, rings, wrist pins, and circlips designed for Polaris Indy XLT 580, SP, and SKS snowmobile engines from 1992-1994 with a 64mm bore size, providing a direct replacement to restore compression and performance.

Overview

The standard bore piston kit for Polaris delivers the exact 64mm pistons needed to rebuild the engine of a Polaris Indy XLT 580, SP, or SKS from 1992-1994. It is intended for snowmobile owners and mechanics performing a top-end overhaul on these models. The kit includes all three piston assemblies for a complete triple-cylinder rebuild.

Built For Performance

• Includes three 64mm pistons with matching rings and wrist pins
• Rings are pre-gapped for proper sealing and reduced blow-by
• Pistons feature a durable cast construction for long service life
• Circlips are included to secure the wrist pins
• Kit matches OEM specifications for direct drop-in installation
• Quality seals help maintain consistent compression across all cylinders

Fits These Machines

• for Polaris Indy XLT 580 (1992-1994)
• for Polaris Indy SP (1992-1994)
• for Polaris Indy SKS (1992-1994)

On-The-Job Use

• Commonly used during engine rebuilds on vintage Polaris Indy snowmobiles
• Ideal for restoring power after a piston seizure or ring failure
• Helps maintain reliable operation for trail riding and recreational use
• Suitable for mechanics refreshing high-mileage engines

Specs At A Glance

Good To Know

Q: Are these pistons compatible with 1995-1996 Polaris 580 models? A: This kit is specifically designed for 1992-1994 models; later years may have different piston designs or bore tolerances, so verify before purchase.

Q: Should I replace the cylinder base gaskets and head gaskets separately? A: Yes, this piston kit does not include gaskets; you will need to purchase a top-end gasket set for a complete rebuild.

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