The CN507M connecting rod kit is for the famous Honda CRF450R engine. We apply nickel-contained chromoly steel, a higher strength material, for our con-rods. The rod can bear higher loading and higher RPM environment. 

Application: 

Honda 2009-2016 CRF 450R

Big-end Width (mm): 19.8

Small-end Width (mm): 18

Big-end Bore (mm): 41

Small-end Bore (mm): 19

Center-to-center (mm): 102.1

Pin Diameter (mm): 33

Pin Length (mm): 60.9

Big-end Bearing (mm): 33*41*20

Small-end Bearing (mm): Bush

Washer Thickness (mm): 1.0