Please Note: The RPM ESC Cage for the Sidewinder 3 & Sidewinder SCT series ESCs works with Castle Sidewinder 010-0115-00, 010-0115-01, # 010-0115-02, 010-0115-03, 010-0115-04 & 010-0123-00. While the ESC Cage will fit a variety of applications, it's been tested and guaranteed to fit the following Traxxas vehicles in stock form only – Stampede 4×4, Slash 4×4, Slash 4×4 LCG, Slash 2wd, Slash 2wd LCG, Rally, Stampede VXL 2wd, Rustler VXL & Bandit VXL. Also fits the following vehicles as long as Traxxas #3725 Mounting Plate is used – Rustler XL-5, Stampede XL-5 2wd, Craniac, Skully & Bandit XL-5.