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    Location: United StatesMember since: Sep 11, 2006

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    Reviews (11)
    Dorman M39968 - Brake Master Cylinder
    Jun 17, 2017
    15/16" master cylinder
    This is perfect if you have a 1988-1991 civic or crx and have done the rear disc brake conversion. No need to bend the lines or swap the booster to use the prelude or Integra 15/16 master cylinder, this is the one for the ex civic and installs with zero modification. Side note: If you use this with drum brakes, pedal is noticeably stiffer. It's not terrible though- if you're upgrading one piece at a time, this would be best to first
    1 of 1 found this helpful
    8 Guitar Neck Threaded STEEL INSERTS+Stainless Oval head screws BEST DEAL *USA*
    Jul 15, 2019
    Really great solution
    This is not the easiest mod to do, but it is worth the effort. The neck on my guitar was not lining up correctly, one of the screw holes was stripped, so I gave these a shot. The inserts are stainless steel and provide way more clamping force than any wood screw setup- you'll strip the head before the threads! I was able to align them fairly easily, there is some (minimal) directional play once they are inserted which allows a tiny bit of adjustment to the angle, and I was able to get all 4 in with no drama. The only complaint I have is that it came with no instructions- it is pretty obvious what you have to do, but anything to help first-timer confidence on drilling into a guitar neck is helpful. I ended up using a stepper bit to make sure i stayed centered, which helped immensely. Mine also came with screws that weren't countersunk, it isn't a big deal but it would've been nice I guess? The plate held it just fine regardless. I cannot recommend this mod enough, and the hardware package provided here checks all the boxes.
    37820-PM5-A30 Honda Civic 1990-1991 ecm computer
    Jun 22, 2025
    For being an almost 35 year old part, it...
    For being an almost 35 year old part, it still works and that's pretty good!

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