GOTOH SD90 Magnum Lock Trad locking tuners

GOTOH SD90 Magnum Lock Traditional 3 x 3 guitar tuners Nickel

12 reviews Write a Review

  • New Thumbwheel Style Magnum Lock Traditional 
  • Nickel finish with greenish tuning keys
  • 15:1 tuning ratio
  • Vintage 11/32" headstock bushing holes required. Will not fit guitars with screw in bushings without using conversion bushings(sold separately)**.
  • 1/4" (6.35 mm) diameter string posts 
  • GOTOH Magnum Lock string posts
  • Includes press-in bushings and screws

Gotoh® Vintage Style locking guitar tuners thumbwheel locking mechanism are designed for a vintage-sized(11/32”) peghole that will maintain that classic look with no drilling or modification to your headstock. These are 3 per side individual tuners just like the originals but with the Gotoh Magnum Lock system built into the string post. 

This is GOTOH new thumbwheel style locking tuners.  The "Magnum Lock-Trad" combines classic functionality with Gotoh technology.  

**SD90 MG-T (Magnum Lock Traditional) have a 1/4" diameter string posts.  Typical conversions bushing will have 10mm OD and 1/4" ID. Search our store for item # BU-CBN for new installation or BU-CBN-ALP (Allparts TK 0901-001) for upgrade installations.

12 Reviews Hide Reviews Show Reviews

  • 5
    Perfect Drop-in For Older PRS

    Posted by Dman on Aug 4, 2022

    These are great, perfect drop-in fit for a pre-lawsuit PRS single cut with traditional Kluson style tuners. Took longer to unwind the old strings than to actually install these guys!

  • 5
    Quality Tuners

    Posted by JD on Jan 10, 2022

    I just installed them today, so I can't speak to how well they will work in the long run. I have a PRS Zach Myers. I had to remove the stock bushings as the tuners were too big to fit inside. Was a pain trying to get the new bushings flush due to the tight fit. .

  • 5
    Gotoh SD90

    Posted by Unknown on Jul 28, 2021

    These were a drop-in replacement for my PRS McCarty. No issues with the installation and they hold their tuning. Very smooth feeling to them and very accurate.

  • 5
    Really good tuners

    Posted by on Jun 13, 2021

    I bought these tuners to replace Gotoh Vintage Non-Locking tuners as I was having tuning instability issues. They did indeed improve stability. They feel precise and extremely well-made. I'm really happy that I made the change.

  • 5

    Posted by Marc Weakland on Jun 10, 2021

    Got these for my 2000 Epiphone LP Standard. They dropped right in. Hold tune great , look great and make string changes a breeze.

  • 5
    great lockers

    Posted by jimmy on Oct 16, 2020

    these work really well on my 2020 Epiphone SG's . . prefer using same hardware on guitar as to not mess the original screw holes up .

  • 5
    GOTOH SD90 Magnum Lock Traditional 3x3 tuners Nickel

    Posted by Joe on Aug 12, 2020

    Philadelphia Luthier was very helpful, they answered my e-mail the next day on my particular Les Paul model. Received my tuners within 2 days and they fit perfectly. They stopped the out-of-tune problems w/the D& G strings & they look great, too! Very, very pleased w/Phil Luthier & the Gotohs!

  • 5
    Works Well on my Gibson '59 Les Paul and '63 ES-335 Reissues

    Posted by Mike on May 28, 2018

    Installed on my Gibson '59 Les Paul and '63 ES-335 reissues without modifications. Tuning stability improved, string changes easier, and looks discrete.

  • 5
    Excellent Quality Tuners but Needed Ferrules

    Posted by Mr Mellow on Feb 24, 2016

    They work as intended. Only issue is that I had to also get AllParts headstock ferrules to get these to fit. Installing them was no problem once I watched a youtube video of a guy using a bolt, nut, washers and wooden block to slowly screw the ferrule into place. I was concerned about damaging the headstock installing the ferrules without using this method. Not a scratch on the guitar.

    From there, installing the actual tuners was a breeze - and they work great! Just be aware that MOST modern Les Pauls will require the ferrules because the opening is too large when the original tuners are removed. Custom Shop guitars are an exception, per my brother. Probably older models as well.