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  4. ROTARY TOP 1979-1986 BIG TWIN 4-SPEED

ROTARY TOP 1979-1986 BIG TWIN 4-SPEED

25 products

Category dedicated to the rotating upper section for 4-speed Harley-Davidson Big Twin engines manufactured between 1979 and 1986. Includes essential components for primary and secondary transmission: sprockets, cogs, drive chains, gear change gears, shafts and bushes. Compatible with Evolution and early Twin Cam models in 4-speed configuration.

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