279-24 CNC transmission sprocket. 24T

When you're rebuilding a classic 4-speed transmission, you want a sprocket that can handle the torque without wearing down prematurely. This PBI 24-tooth transmission sprocket is CNC machined from high-grade 8620 alloy steel, ensuring precise tooth geometry for smooth chain engagement. It has been heat treated for maximum durability and finished with a nickel plating to resist corrosion and wear over time. This sprocket is designed specifically to fit 1936 to 1979 Harley-Davidson 4-speed Big Twin models. Whether you are restoring a Knucklehead, Panhead, or an early Shovelhead, this American-made component provides the reliability you need for the long haul. It is sold individually and serves as a high-performance upgrade over standard cast sprockets.