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 20% stiffer for clutch engagement around 7500 RPM. Improve your off-the-line power with a higher engagement RPM
Will fit HPI Baja 5B,SS,SC Predator RC Buggy & Desert Truck Models KM & Rovan
*sale is for 1 x 7500 rpm spring only accessories are demo of fit
For more information, please visit this products webpage.