RK Racing Chain

4042-068ZK

RK Racing Chain 4042-068ZK Black Aluminum Rear Sprocket and GB520MXZ4 Chain Race Kit

SKU: Z18-2150

Sprockets

Fits: Yamaha YZ450F/WR450F 06-09/07-09, 11-13
Race Kit contains: 13 tooth chromoly front sprocket; 50 tooth black 7075 T6 aluminum rear sprocket; RK GB520MXZ4-114 link gold chain
MXZ4 chains are made for the serious Motocross racer looking for the lightest, strongest, non O-ring chain
MXZ4 chains feature chromoly steel construction with seamless rollers and bushings, and oversized special alloy pins for added strength
All components of the MXZ4 chain are heat treated using RK's exclusive HIT (Heat Induction Transfer) process and include a clip type master link

Fits: Yamaha YZ450F/WR450F 06-09/07-09, 11-13. Race Kit contains: 13 tooth chromoly front sprocket; 50 tooth black 7075 T6 aluminum rear sprocket; RK GB520MXZ4-114 link gold chain. MXZ4 chains are made for the serious Motocross racer looking for the lightest, strongest, non O-ring chain. MXZ4 chains feature chromoly steel construction with seamless rollers and bushings, and oversized special alloy pins for added strength. All components of the MXZ4 chain are heat treated using RK's exclusive HIT (Heat Induction Transfer) process and include a clip type master link.

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