DDM premium high-RPM clutch spring for Zenoah and Chung Yang engines with 54mm clutch. Designed for RC use. This upgraded spring, custom-made of top-quality materials in the USA, offers unparalleled reliability and performance. Stock spring engages at approx 6000 RPM; this spring is 40% stiffer for clutch engagement around 7500 RPM. Improve your off-the-line power with a higher engagement RPM
Note: This super high stall spring is designed primarily for racers. For a spring that is better for all-around use, but still a higher stall than stock, check out our 7500 RPM spring
Will fit HPI Baja 5B,SS,SC Predator RC Buggy & Desert Truck Models KM & Rovan
*sale is for 1 x 9500 rpm spring only accessories are demo of fit
For more information, please visit this products webpage.