Chain DID 520 ATV Polaris Trail Boss 330 2002-10 520-78

• Uses a special steel alloy designed specifically to provide the extra strength required for quad racing.
• The ATV X-ring chain is engineered to create additional pockets to lock in grease to prolong the life of the chain.
• Solid rollers.
• Shot-peened parts.
• High cylindrical and roundness accuracy.
• Exacting tolerances provide low friction.
• Pre-stretched.
• Extended riveted bushing "Anti-Kink" design.
• Average tensile strength of 7,600 pounds.
• Wear life index: 3250.
• Rated up to a maximum displacement of 750cc.
• Weight (per 100 links): 3.65 pounds.
• Includes a clip-style master link.

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