2 Sets SPI Standard Bore Piston Rings for Arctic Cat 550 Sleds 1991-2005 73.4mm

Standard Bore Piston Rings for Arctic Cat 550 Sleds

This set includes two sets of standard bore piston rings sized 73.4mm, designed for Arctic Cat 550 snowmobiles from 1991 to 2005, ensuring proper compression and oil control.

Overview

These standard bore piston rings for Arctic Cat 550 sleds come as two complete sets with a 73.4mm bore size, restoring engine compression and reducing oil consumption. They fit 1991-2005 Arctic Cat 550 models, providing a direct replacement for worn rings. This piston rings kit is essential for top-end engine rebuilds on your Arctic Cat snowmobile.

Built For Performance

• Two sets of rings for complete cylinder coverage
• 73.4mm bore size matches OEM specifications
• Standard bore design for stock cylinders
• High-quality steel construction for durability
• Improves compression and reduces blow-by

Fits These Machines

• for Arctic Cat 550 (1991-2005)

On-The-Job Use

• Rebuilding Arctic Cat 550 snowmobile engines
• Replacing worn piston rings for increased power
• Restoring engine compression after top-end rebuild

Specs At A Glance

Good To Know

Q: Are these rings for standard or oversized pistons? A: These are standard bore 73.4mm rings; if your cylinder has been bored oversize, you will need oversized rings.

Q: Do the rings come with installation instructions? A: Professional installation is recommended; follow your service manual for proper ring gap and orientation.

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