SpecificationsModel:VV-TC-10Material: Aluminum + SteelDriven Gear Size: 4.19″ x 2.7″ / 10.64 x 6.85 cmDrive Gear Size: 6″ x 2.7″ / 15.24 x 6.85 cmPerfect Engine Power: 4hp-8hpBelt Size(L x W): 27.76″ x 0.75″ / 70.5cm x 1.9 cmBelt Outside Circumference: 27″ / 68.8cmWeight: 3.73 lbs / 1.69 kggo kart torque converter,TAV2 30-75??10T #40/41 Package Content1 x Torque Converter1 x 10 Tooth Sprocket1 x Black Sliding Sleeve(L:1.27″ / 32.16mm, Inner diameter: 1.01″ / 25.69mm)1 x 2.04″ Long Bolt4 x 1.27″ Long Screw4 x 0.69″ Small ScrewFeatures & DetailsModified TAV2/30 Series: Our go-kart torque converter is the latest TAV2/30 asymmetrical series. The asymmetrical type system can reduce engine load and gain more power to bring your off-road machine back to life. Updated Durable Belt: The new type of belt, go-kart asymmetrical belt 669, is one of the highlights for our torque converter for go-karts. Using this excellent elastic belt properly can improve the life span of your torque converter.Quali