At DMG Motorsports, we present the SP1 Chain Case Silent Chain (SU-31370) — a 13" wide, 70-link link-belt chain engineered as a direct-fit replacement for your snowmobile's chain case. Built to the same standards as OEM link-belt silent chains, this component is designed to run quietly and smoothly inside your chain case, transferring power from the driveshaft to the jackshaft with minimal noise and vibration. Whether you're rebuilding a worn-out chain case or performing routine maintenance, this SP1 chain delivers a precise fit and dependable performance to keep your sled running the way it should.

Features:

• 13" wide silent chain construction for quiet, smooth chain case operation
• 70-link configuration engineered to match OEM chain case specifications
• Precision-built link-belt design for reliable power transfer and reduced wear
• Durable materials designed for long-lasting performance under demanding conditions
• Direct-fit replacement chain for compatible snowmobile chain cases
• SP1 part number SU-31370 (SKU 44-4970, UPC 191361195815) for easy identification and ordering