This is the Tekin Redline SC4X 7.5 Turn Brushless Motor. FEATURES: CNC machined 6061 T6 billet aluminum heatsink can Neodymium sintered magnet Precision engineered for maximum enengy conversion High purity copper windings maximizes conductivity Dual-plug sensor wire harness for use with all sensored and and sensorless systems Red anodized can maximimizes corrosion and wear resistance High RPM precision bearings Legal in major governing race bodies Tekin offers a 120 day warranty on the motor INCLUDES: One SC4X 7.5 turn motor One sensor harness REQUIRES: Compatible brushless motor ESC SPECS: Motor Length: 2.59" (66mm) Motor Diameter: 1.41" (33.85mm) Motor Shaft Diameter: (5mm) Sensor Harness Length: 8" (203mm) Weight: 8.36 oz (237 gram) ajw 04-12-11 ir/jxs