DRAG SPECIALTIES Smooth Socket Primary Bolts - FL '36-'64 MK159S Stella Tech 3 Boots Cobra modified their PowerPort by

Cobra modified their PowerPort by enlarging it to become a pulse chamber that accelerates exhaust scavenging to produce the kind of power riders expect

Allows you to monitor and adjust air/fuel mixture for more power and peak performance Specially designed to help tune carbureted or fuel-injected 4-stroke engines Easy installation to 12V systems by connecting the sensor to the exhaust system

Will only work with stock OEM hubs

Waterproof inner pocket

and the unique Akrapovic sound

DRAG SPECIALTIES Smooth Socket Primary Bolts - FL '36-'64 MK159S Stella Tech 3 Boots Cobra modified their PowerPort byBolt sets for a variety of Harley Davidson models Made in the U. S. A.