SPI Standard Bore Piston Kit for Arctic Cat Cheetah & Cougar 500 1986-1990 70mm

SPI Standard Bore Piston Kit for Arctic Cat

This standard bore piston kit provides a direct replacement for 1986-1990 Arctic Cat Cheetah and Cougar 500 models, featuring a 70mm bore diameter for reliable engine performance.

Overview

The SPI standard bore piston kit is designed to restore compression and power in Arctic Cat Cheetah and Cougar 500 engines. This piston kit includes rings, wrist pin, and circlips for a complete top-end rebuild. It is a direct fit for 1986-1990 models requiring a 70mm bore.

Built For Performance

• Precision-machined from high-strength aluminum alloy
• Includes premium piston rings for optimal seal
• 70mm bore matches factory specifications
• Complete kit with wrist pin and circlips
• Engineered for long service life under normal operation

Fits These Machines

• for Arctic Cat Cheetah 500 (1986-1990)
• for Arctic Cat Cougar 500 (1986-1990)

On-The-Job Use

• Trail riding and recreational use on vintage snowmobiles
• Engine rebuilds for restoring lost compression
• Replacement of worn or damaged factory pistons

Specs At A Glance

Good To Know

Q: Is this piston kit compatible with overbore cylinders? A: No, this is a standard bore 70mm kit intended for cylinders that have not been oversized. Confirm your cylinder bore before ordering.

Q: Does the kit include a new cylinder head gasket? A: No, the piston kit includes only the piston, rings, wrist pin, and circlips; separate head and base gaskets must be purchased.

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