High Quality Throttle Cable for all 1978-1988, Air and Water-cooled 250, 360, 390, 390 Auto, 400, 420 Auto, 430cc models using a Gunnar Gasser style whirlpool throttle to a 38mm Mikuni carb. Includes Throttle housing rubber boot, Carb top rubber boot plus a safety spring coil that keeps the fuel tank from pinching the cable against the frame and causing a stuck "runaway" Throttle. BLACK Outer Casing and Teflon lined inner casing (no more dirt attracting oiling) for a maintenance free and smooth operating feel. Replaces part # 15-15-277-01. Made in the U.S.A.