SPI SM-12658 Aluminum Tunnel Protector for Polaris 146" Track Snowmobiles

The SPI SM-12658 Aluminum Tunnel Protector is a heavy-duty snowmobile tunnel protector designed to shield the inside of your sled's tunnel from damage caused by studded tracks. Constructed from durable aluminum, this tunnel protector provides a tough barrier between your aggressive traction studs and the tunnel surface, helping preserve the structural integrity of your snowmobile's chassis over time.

Key Features:

• Constructed from durable aluminum for long-lasting protection
• Recommended whenever adding traction products (studs) to snowmobile tracks
• Designed specifically for Polaris 146" track applications
• Some models may require 2 pieces per side of the tunnel for full coverage
• Bolt-on installation for a secure, reliable fit
• Helps prevent costly tunnel damage from stud contact

The SPI SM-12658 is the smart choice for any Polaris snowmobiler running a studded track on a 146-inch platform. Whether you ride aggressive backcountry terrain or high-speed trails, protecting your tunnel is essential maintenance. OEM Cross-Reference: Polaris #2884963.