Thunderslide Jet Kit – Sportster

Unique set of lift holes moderate how the slide moves with respect to throttle position; the faster the slide opens, the quicker the throttle response; Revolutionary composite plastic slide provides unparalleled performance gains in both horsepower and mileage; Designed for engines with stock or aftermarket air filter and exhaust system; Kit includes jets, needles, clips and other necessary parts for CV carbs; Made in the USA