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Big Twin 4-Speed Transmission Parts

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Category dedicated to 4-speed transmission components for Harley-Davidson Big Twin motorcycles. Includes complete gearboxes, gears, shafts, synchronisers, pressure plates and clutch assemblies. Designed for Evolution, Twin Cam and Milwaukee Eight engines.

About this category

Compatible with Touring, Softail, Dyna and Sportster models (early versions). Spare parts for maintenance, repair or improvement of the primary and secondary transmission. OEM and aftermarket parts to guarantee performance and durability on your Harley-Davidson.

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