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  4. JIMS "ROLLER ROCKER" BALANCERS FOR EVO ENGINES

JIMS "ROLLER ROCKER" BALANCERS FOR EVO ENGINES

5 products

Category dedicated to JIMS Roller Rocker arms, specifically designed for Harley-Davidson Evolution engines. These components improve valvetrain efficiency by reducing friction between the rocker arm and pushrod, replacing standard roller rockers with needle bearing versions.

About this category

The range includes 1.7:1 and 1.8:1 ratio rockers, ideal for EVO, Evolution and Twin Cam engines (with adapters). Manufactured from high-strength steel with chrome or black finish, ensuring durability and precise fitment on American V-Twin cylinder heads. Compatible with Sportster, Dyna, Softail and Touring models equipped with Evolution engines. Includes complete sets of rocker arms, nuts and pins.

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