Fits: YAMAHA BANSHEE 350 (87-88) YAMAHA WARRIOR 350 (87-88) YAMAHA XT550 (82-83) YAMAHA XT600 (84-89) Product Details: Primary Drive Front Sprockets are made to meet or exceed O.E.M. specifications. Using high-grade hardened steel, Primary Drive brand front ATV and motorcycle sprockets offer durability and value. Primary Drive Front Sprockets are precision machined for a perfect fit. Durable replacement front sprocket for motorcycles and ATV's. Manufactured to O.E.M. specs using high-grade hardened steel. Precision machined for a perfect fit. What's in the box 1x 40 Tooth Sprocket