Smooth idle

Plastic breathers require plastic spacers

Made in Japan high precision product

04-15 XL Sportster

Note: Requires 73-77 breather gear

DK CUSTOM, ROCKER LOCKER KIT. TWIN CAM Växellådan Smooth idleTwin Cam engines make a lot of noise inside the rocker cover. This is due to the way H D designed the rocker arm installation. The bolt that locks the rocker shaft is not a tight fit at all, when installed it allows the rocker shaft to rotate slightly forward and backwards in the housing. There it hits the rocker shaft bolt, which provides you with the unnecessary clicking sound. This kit comes with 4 precision tapered bushings that fit around the