Genuine Keihin jet needles offer the best solution for tuning your CR Special carburetors or replacing worn parts.  They offer and exact fit with precise metering capabilities and are available in 7 groove options to offer more tuning flexibility.  The Keihin N427-51 series jet needles fit all Keihin CR Special carburetors from CR35-CR39's. 

These are the 7 groove jet needles, see the chart below for sizing options and then select the correct Keihin part number above before adding to your cart.  Don't forget to add needle clips and/or needle shims.

Jet needles are sold each.