{"product_id":"6-speed-overdrive-super-kit","title":"6-Speed Overdrive Super Kit","description":"Designed to turn stock 5-speed transmission into a 6-speed. Reduces vibration that creates wear. Creates a more relaxing cruising speed. All gear sets use 2.94:1 close-ratio 1st gear that widens bike's speed range in 1st gear and lessens the rpm drop when shifting into second. Overdrive 6th gear (.86:1 ratio) lowers engine rpm by almost 475 at 75 mph. Gaskets and seals included. Made in the U.S.A.. Requires speedometer sensor block-off plate kit; if speedometer is not driven from transmission, then two block-off plates kits are required.. Trap door extends 3\/8\" farther to right than stock part. Alteration to some parts that attach to or around the trap door may be required.. Requires speedometer be recalibrated..","brand":"Jims USA","offers":[{"title":"Default Title","offer_id":44588334252077,"sku":"FHRD_8085","price":3090.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/4057\/5021\/files\/11030008_0.png?v=1770379251","url":"https:\/\/shopronayers.com\/products\/6-speed-overdrive-super-kit","provider":"Ron Ayers Motorsports","version":"1.0","type":"link"}