SSP-G PERFORMANCE TRANSMISSION KIT FOR 150cc - 232cc GY6 4-STROKE ENGINE BASED VEHICLES. TRANSMISSION KIT INCLUDES THE FOLLOWING: 1500RPM CLUTCH1500RPM TORQUE SPRINGBLACK 5-BLADE CLUTCH BELLVARIATOR KIT WITH OVERSIZED 20X12 ROLLER WEIGHTS IN 12GLIGHT WEIGHT 148G CAST ALUMINUM DRIVE FACE WITH TRANSLUCENT BLUE COATINGADJUSTABLE DRIVE SHEAVE (TORQUE DRIVER) CLUTCH: 120MM OUTER DIAMETER. 1500RPM SPRINGS INSTALLED.TORQUE (CONTRA) SPRING: 1500RPM. OVERALL LENGTH: 107MM (4.2 INCHES.)CLUTCH BELL: 125MM INNER DIAMETER. 137MM OUTER DIAMETER. 19 SPLINES.VARIATOR: 115MM OUTER DIAMETER. INCLUDES 20X12 12G ROLLER WEIGHTS. 148G DRIVE FACE.ALL COMPONENTS MADE IN TAIWAN!MADE IN TAIWANNO RETURNS ON THIS ITEM FITS MOST CHINESE SCOOTERS, ATVS, KARTS WITH 125CC - 232CC GY6 MOTORS FITS MOST MODELS OF TAO MOTORS, ICE BEAR, WOLF, JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, COUGAR, GATORAND MANY OTHERSSHIPS FROM SHELBY, NC