Factory Spec

FS-520X-B

Factory Spec, FS-520X-B, 520 x 78 Heavy Duty Blue X-Ring Chain 520 Pitch x 78 Link XRing Master Link

Chains

• Manufactured by Factory Spec
• Designed to meet the demands of today's high-performance machines
• Reduces friction and power loss up to 40% over basic O-ring chains
• Seals better than traditional O-ring chains
• Lasts 50% longer than standard O-ring chains
• Tensile strength of 8,200 pounds
• Made in China
• Includes:
• 520 pitch x 78 Link chain (Blue in color)
• Clip style master link

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