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  4. 5-SPEED BIG TWIN RATCHET TRANSMISSION ASSEMBLIES

5-SPEED BIG TWIN RATCHET TRANSMISSION ASSEMBLIES

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Category dedicated to 5-speed ratchet-type transmission kits for Harley-Davidson Big Twin engines. Includes complete gearboxes with gears, shafts, synchronisers and necessary internal components for installation. Designed to deliver faster and more precise shifts compared to traditional 4-speed transmissions.

About this category

Compatible with Evolution, Twin Cam and Milwaukee Eight engines in Touring, Dyna and Softail models, depending on the specific kit design. Ideal for racing motorcycles, street rods or daily use requiring a wider gear ratio and more responsive engine performance. Manufactured from high-strength materials to ensure durability and performance under high load.

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