SKU:17-8226
Increase acceleration off the line with the Andrews 4-speed first-gear set, part number 201145, delivering a precise 2.60:1 ratio for Harley-Davidson Big Twin 4-speed transmissions.
Designed as a direct replacement for vintage and classic Harley-Davidson Big Twin transmissions, this gear set is tailored for durability and smooth operation within original equipment specifications. It targets takeoff performance and reliable power delivery while maintaining compatibility with the bike’s stock layout.
Compatibility scope includes Harley-Davidson EL and UL series from 1936 through 1941, and FL models through 1982, ensuring a broad range of restoration and upgrade applications. The components are engineered for a straightforward installation, aligning with OEM standards to support long-lasting operation in vintage and early-era Big Twin configurations.
Perfect for restoration projects or performance-focused builds, this 2.60:1 first-gear set helps optimize acceleration without compromising the integrity of the transmission’s original design.
Andrews 1st gear set is a 2.60:1 ratio gear set with 16 and 20 tooth gears. Gear set fits 4-speed Big Twin models.Upgrade your Harley Davidson Big Twin with the Andrews 4-speed 1st gear set, part number 201145. This precision-engineered gear set features a 2.60:1 ratio, designed to deliver improved acceleration and performance. Crafted in the USA, it includes 16-tooth and 20-tooth gears, ensuring a reliable fit and smooth operation within your transmission system. Engineered for durability and precision, this gear set is an ideal replacement for vintage and classic Harley Davidson models, such as the EL and UL series from 1936 through 1941. Installing this gear set will enhance your motorcycle's power delivery, making it suitable for both restoration projects and performance upgrades. The parts are compatible with original equipment specifications, ensuring a straightforward installation process and long-lasting operation.
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