SPI Standard Bore Piston Kit for Arctic Cat 530 Snowmobiles fits 1986-1991 72mm

SPI Standard Bore Piston Kit for Arctic Cat 530 Snowmobiles 1986-1991 72mm

This SPI standard bore piston kit replaces the original piston in Arctic Cat 530 snowmobile engines from 1986 to 1991, with a 72mm bore size for stock replacement.

Overview

The SPI standard bore piston kit for Arctic Cat 530 snowmobiles 1986-1991 is a direct-fit replacement piston assembly designed for 530cc engines. It includes the piston, rings, wrist pin, and circlips to restore compression and performance in vintage snowmobile engines.

Built For Performance

• High‑silicon aluminum alloy casting for strength and heat resistance
• Precision‑machined ring grooves ensure proper ring seal
• Includes moly‑coated top ring for reduced friction during break‑in
• Wrist pin and circlips supplied for complete installation
• Standard bore size eliminates the need for cylinder boring

Fits These Machines

• for Arctic Cat 530 Snowmobiles 1986
• for Arctic Cat 530 Snowmobiles 1987
• for Arctic Cat 530 Snowmobiles 1988
• for Arctic Cat 530 Snowmobiles 1989
• for Arctic Cat 530 Snowmobiles 1990
• for Arctic Cat 530 Snowmobiles 1991

On-The-Job Use

• Winter snowmobile engine rebuilding and top‑end overhaul
• Restoration of classic Arctic Cat 530 sleds
• Trail riding and recreational snowmobiling
• Replacing worn pistons to restore power and reduce oil consumption

Specs At A Glance

Good To Know

Q: Does this kit include the piston rings and wrist pin? A: Yes, the SPI kit comes complete with rings, wrist pin, and circlips for a full piston replacement.

Q: Can I use this piston if my cylinder has been overbored? A: This is a standard bore piston; if your cylinder has been machined oversize, you will need a corresponding oversize piston kit.

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