Primary Drive Alloy Kit & 428 C Chain Black Rear Sprocket For KTM 85 SX 17/14 2003-2017

-Rear Aluminum Sprocket made from 7075 T-6 heat treated Aluminum. Come with self-cleaning grooves. All match original equipment exactly for perfect fit and size. The C professional provides outstanding value in a chain without sacrificing strength or reliability. Average tensile strength 5,400 lbs.

• See fitment guide image for additional Machines this item fits. Sprocket kits include the following:
• Stock size Primary Drive steel front sprocket.
• Stock size Primary Drive aluminum rear sprocket.
• Stock size Primary Drive 428 C chain.
• Front sprockets are manufactured to O.E.M., specs using high grade hardened steel.