Going fast has never been so easy!
The number one performance carburetor for Harley-Davidsons and American Big Twins now slips onto any late model Harley-Davidson using the original throttle cables. Mikuni's Twin Cam, Big Twin and Sportster / Buell Easy Kits even use Harley's existing manifold, choke cable and air filter.

Keep a Harley's stock factory look and fit with better throttle response, improved acceleration, increased power and torque. Mikuni's smoothbore, flatslide throttle with roller bearings, and accelerator pump technolgy delivers peak performance from idle to Wide Open Throttle.

Available in 42, 45, and 48mm throttle bores for use with stock, mild, and highly modified engines.

Bolt on a 25% Power and Torque Increase!

Mikuni's Easy Kit dramatically imporves the performance of Harley-Davidson's Twin Cam engine adn delivers unmatched throttle response adn acceleration! Used with Screamin' Eagle Air Filter and aftermarket exhaust system like the optional Screamin' Eagle Mufflers, the HSR42 Easy Kit adds 25% more horsepower to the output of Harley's Twin Cam motor. Maximum horsepower is increased from 57.8 to 72.2 hp, and maximum torque from 71.4 to 80.7 ft/lbs.