I've got a sticker for the top of the knob, it's made to fit the ignition button. Save 2.80 on MSRP (10) In Stock will ship same day if ordered before 3pm EST. This more or less limits how far the stud can go without interfering. Tomei Duracon Type-S Delrin Shift Knob M10x1.25 - Fits Most Mitsubishi / Nissan / Mazda Applications. Basically with the tap in place once you can no longer shift into park stop. I threaded the shaft, I found it best to do in N because you can shift back to P and easily vacuum the shavings. Buy Shift Knob Adapter, Car Auto Gear Stick Shifter Universal Shifter Knob Head Thread Screw Adapter with Sizes of M10x1.25, M10x1.5, M8x1.25(101. M10x1.25 / Alcantara / Red - 149.00 USD, M10x1.25 / Alcantara / Black - 149.00 USD, M10x1.25 / Alcantara / Blue - 149.00 USD, M10x1.25 / Alcantara / Contact. Then, I cut of the shaft at the groove, and cleaned it up. Since I used an angle grinder, I pushed it through a box to catch the metal dust. (I'll get measurements tomorrow, I have to put some loctite on the car side of the threads, so I'll take it apart.)

The same thing could be done for M10x1.25 as well. I'm sure I will receive some severe flaming for this, but this mod allows me to use any Honda (or any M10x1.5) thread. Plus mine lowers the knob height almost 2.5'. I was tired of the ugly shift knob, and while there is an option to use the BMW performance knob for the manual, I wasn't interested in spending that kinda coin on something like that. If this fits better in the DIY section feel free to move it. Description / Driftworks Aluminium Gear Shift Knob - Black - M10x1. From what I gather this would likely also work for a manual, but mine is auto.

M10x1.25 shift knob suede