Hipshot Griplock Vintage Guitar Tuner Upgrade Kit 3x3 Headstocks (8.5mm Post Hole)

Hipshot Vintage Tuner Upgrade Kit – 3x3 (8.5 mm Post Hole)

Breathe new life into your vintage guitar without drilling or mods. The Hipshot Vintage Tuner Upgrade Kit retrofits 3+3 headstocks with 8.5 mm (11/32”) holes using Hipshot’s patented UMP Universal Mount Plate, so you can swap tuners with no damage to the instrument.

Featuring Hipshot’s Grip-Lock system, the machines clamp your strings securely for rock-solid tuning stability and faster string changes. With a smooth 15:1 ratio, enclosed gears, and classic Hex buttons, they deliver modern reliability with vintage style intact.

• For 3+3 headstocks, 8.5 mm post holes

• 21 mm post length

• UMP™ plate for no-drill installation

• Grip-Lock™ pin and thumb wheel system

• 15:1 tuning ratio

• Schaller® M6 Mini footprint

• String post hole fits up to .060” (larger on request)

• Made in Korea

An easy, reversible upgrade that keeps your guitar’s value while giving it modern tuning stability.