'87-'06 Transmission Fill Plug + Dipstick

Blade Style Fill Plug + Dipstick

Inspired by the original Knucklehead and Panhead “blade type” engine oil dipsticks, this fully CNC-machined fill plug + dipstick blends classic style with modern function.

Its unique design lets you check your transmission fluid instantly. No tools required once installed. A perfect balance of clean look and everyday convenience.

Quick Installation

1. Remove the dipstick from the threaded insert
2. Tighten the threaded insert using a 3/8" Allen key into your transmission cover
3. Insert the dipstick into the threaded insert and rotate clockwise until it clicks into place

Specifications

• Fits ’87–’06 5 & 6-speed Big Twin transmissions
• Machined from 6061 aluminum
• Available in a tumbled or polished finish
• Comes with an o-ring for sealing