420H 78 LINK SSS SOLID BUSH H/D DRIVE CHAIN AVAILABLE IN 420, 428, 520 SIZES. UPGRADE CHAIN FROM STANDARD AND HEAVY DUTY TYPES SOLID BUSH CHAINS UTILIZE A SOLID BUSHING INSIDE THE ROLLER, INSTEAD OF THE SPLIT BUSHING USED IN STANDARD AND HEAVY DUTY CHAINS. THIS SOLID BUSH INCREASES WEAR RESISTANCE AND MINIMIZES CHAIN ELONGATION.
CONSEQUENTLY H/D SOLID BUSH CHAINS LAST 50% LONGER THAN EQUIVALENT STD AND H/D DRIVE CHAINS
CONSEQUENTLY H/D SOLID BUSH CHAINS LAST 50% LONGER THAN EQUIVALENT STD AND H/D DRIVE CHAINS