K & N Air Filter for Linkert RL-320B High-Flow Air Filter™ Precharger The KIT refers to factory

The KIT refers to factory (HRC/YEC) casings

Use this kit alongside your FTEcu flashed ECU to activate clutchless up shifting without letting off the throttle AND SMOOTH FAST clutch-less DOWNSHIFTING

nine steels and one damper spring

it comes with a T30 torx head for maximum torque strength

The X-Seat set a benchmark in the industry for its revolutionary design and technical features

K & N Air Filter for Linkert RL-320B High-Flow Air Filter™ Precharger The KIT refers to factoryDesigned to fit most Knucklehead models equipped with Linkert early 4 bolt carburetors Increases horsepower with proper carburetor calibration Mounts directly to the carburetor Made in the U. S. A.