SPI Standard Bore Piston Kit for Arctic Cat 600 Snow 1998-1999 Twins - 78mm

SPI Standard Bore Piston Kit for Arctic Cat

This SPI standard bore piston kit replaces the original pistons in Arctic Cat 600 Snow twins from 1998‑1999 with a 78mm bore diameter for reliable engine performance.

Overview

This SPI standard bore piston kit is a direct replacement for 1998‑1999 Arctic Cat 600 Snow twin engines, using a 78mm bore to restore compression and power. Designed for snowmobile rebuilds, the kit includes the piston, rings, wrist pin, and circlips for a complete top‑end repair.

Built For Performance

• 78mm standard bore size matches OEM specifications
• Includes piston, rings, wrist pin, and circlips
• Durable cast‑alloy construction for long service life
• Pre‑gapped rings simplify installation
• Engineered for Arctic Cat 600 twin engines

Fits These Machines

• for Arctic Cat 600 Snow (1998)
• for Arctic Cat 600 Snow (1999)
• for Arctic Cat 600 Twin models

On‑The‑Job Use

• Snowmobile engine rebuilds
• Top‑end restoration
• Performance restoration of vintage Arctic Cat sleds

Specs At A Glance

Good To Know

Q: Does this piston kit work with other bore sizes? A: No, this kit is a standard 78mm bore and is not designed for oversized cylinders. Use a separate oversized kit if your cylinder requires honing or boring.

Q: Should I replace the wrist pin bearing when installing this kit? A: Yes, it is recommended to install a new wrist pin bearing and circlips during assembly to ensure proper fit and prevent future failure.

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