Harland Sharp D-Force Roller Rocker Arms are manufactured in-house out of 2024 Billet Aluminum to ensure maximum strength and durability for your Cummins valvetrain. The D-Force roller rocker arms also feature a roller tip for superior friction reduction and increased performance. For use in racing applications, and with no required modifications, the D-Force roller rocker arms from Harland Sharp truly are the simplest way of maximizing your diesel engines valvetrain performance!
Rocker Arms Only
Made from 2024 billet aluminum
Roller tip for friction reduction
Installs in place of factory rocker arms