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Av. Ingeniero José
Alegría nº 4, Bajo 2
30007 Murcia Tel.663663739
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JIMS PRIMARY DRIVE LOCKOUT
Category dedicated to primary transmission blockers manufactured by JIMS, designed to eliminate axial play in the primary transmission of Harley-Davidson motorcycles. These components include bushes, retaining rings, and locking assemblies that ensure correct alignment of the primary chain and pulley.
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JIMSPrimary transmission blocker by JIMS
Tool made from Delrin (non-deformable material) by Jims, to lock the primary transmission front sprocket. For all models…
About this category
Ideal for motorcycles with Evolution, Twin Cam, and Milwaukee Eight engines, as well as Dyna, Softail, Sportster, and Touring models. They improve primary chain durability and reduce vibration. Manufactured from high-strength aluminium or steel, they offer precise adjustment to prevent clutch slippage and optimise gearshift response. Compatible with standard and high-performance primary covers.