Prebuilt Les Paul upgrade wiring kit short shaft pots Shipping Free USA Wired 50's style for true vintage tone. This Classic Kit is for USA Gibson Les Paul manufactured prior to 1977, all Epiphone LP and most off shore LP style using short shaft pots. Guitar Wiring Upgrade Kits - Les Paul® - The Art Of Tone All Gibson® historic reissues will use the CTS short shaft pots. There are certain exceptions to this rule, for instance Les Paul Studios® use long shaft pots regardless of the year they were made, so it's always good to pop the cover of the cavity and double check before ordering. Of course all of our kits come with a wiring diagram.