Primary Drive Alloy Kit & O-Ring Chain Black Rear Sprocket for KTM 380 SX 1998-2002

Sprocket kits include the following: Stock size Primary Drive steel front sprocket. Stock size Primary Drive Alloy rear sprocket. Stock size Primary Drive O-Ring chain. Clip style Master-Link included. Rear Aluminum Sprocket made from 7075 T-6 heat treated Aluminum. The unique design and profile of the chain ensures durability, and decreases wear on chain guides and swing arm rub plates.