EK Heavy-Duty Non-Sealed Roller Chain, 120 Links (420SR-120)

The EK 420SR-120 Heavy-Duty Non-Sealed Roller Chain is designed for dependable performance in demanding powersports and mechanical drive applications. This economical chain combines durable construction with consistent engagement, making it a practical replacement or upgrade for compatible systems. The non-sealed design provides efficient operation while maintaining the straightforward serviceability expected from a conventional roller chain.
Feature: Heavy-duty SR construction is engineered for improved durability and reliable wear resistance during regular use. Four-point riveting helps secure the chain pins and supports dependable assembly strength, while solid bushings promote smoother articulation and extended service life.
Feature: Special steel alloy construction provides a strong foundation for demanding applications. Solid rollers, pre-stretched components, and shot-peened parts help reduce initial elongation and improve resistance to fatigue, impact, and repeated operating loads.
The EK 420SR-120 includes a clip-type master link for convenient installation and maintenance. With 120 links, this chain is suited for applications requiring a precise replacement length or compatible chain-drive configuration. Verify fitment, chain size, and required link count before installation to ensure proper compatibility. EK part number 420SR-120 identifies this specific heavy-duty roller chain configuration.

Features:

• Heavy-duty SR construction for dependable wear resistance and long service life

• Four-point riveting helps provide secure pin retention and assembly strength

• Solid bushings support smooth articulation and consistent chain movement

• Special steel alloy construction is suited for demanding chain-drive applications

• Solid rollers help promote reliable engagement and efficient operation

• Pre-stretched components help minimize initial chain elongation

• Shot-peened parts improve resistance to fatigue and repeated loads

• Includes clip-type master link for convenient installation and service

• 120-link configuration for compatible replacement applications

Ships from Parts Unlimited.