JIMS 6-Speed Overdrive Super Kit 8085L

6-Speed Overdrive Super Kit
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.