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ANDREWS 3A SPROCKETS STANDARD RATIO 1.23
Category dedicated to Andrews primary drive sprockets, specifically in the standard ratio configuration with a ratio of 1.23. These components are essential for transmitting power from the crankshaft to the clutch on Harley-Davidson motorcycles.
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ANDREWS3A Andrews sprockets standard ratio 1.23
Version: Conjunto piñones eje secundario, para rodamiento de agujas enjauladas, del 1977 al 1986 (OEM 35699-76)Standard replacement gear for 3rd mainshaft and 3rd countershaft. We have improved the design of the dogs on…
About this category
The Andrews 3A series offers sprockets manufactured from high-strength steel with precise heat treatment, ensuring durability and smooth gear engagement. Ideal for Evolution, Twin Cam and Milwaukee Eight engines, these sprockets replace worn or broken OEM units. The 1.23 ratio optimises initial engagement, improving clutch response and reducing wear on the primary chain. Compatible with a wide range of Dyna, Softail, Sportster and Touring models, depending on the year and engine type. Includes spare sprocket options for preventive maintenance or major primary repairs.