Perfect FIT (Flywheel Installation Tool)

(6 customer reviews)


Only 4 left in stock


Will be restocked as quickly as we can print them!  Wow, we didn’t expect these to sell so fast! <3

The Perfect Flywheel Installation Tool will help to install even the most stubborn of wheels with ease while ensuring they are perfectly aligned with each other. Feeler gauges slide freely in one orientation and lock in place when twisted into place. Includes clamp and printed parts.


  • Applies even pressure
  • Supports the back of the motor
  • Less likely to install too low and rub
  • Feeler gauge insures flywheels are exactly even
  • Works even after motors are wired, even with Kelly Industries Motor Boards

Check out this video for how to use:

Color may vary as well as slight changes for print-ability

May not be compatible with canted cages (untested)

Blasters should be modified at your own risk by an adult or with adult supervision. Modification of blasters may increase wear and reduce lifespan of blaster. Always wear eye protection. Never point at someone’s face. By purchasing, you agree that FoamBlast is not responsible for injury or damage caused by misuse or accidental usage.

Additional information

Weight 3.5 oz
Dimensions 210 × 100 × 35 mm

6 reviews for Perfect FIT (Flywheel Installation Tool)

  1. Ravinoc (verified owner)

    Works perfectly. Makes installing flywheels a dream. With no more worries about braking anything.
    Best 5 bucks I spent.

  2. Riley Bachelor


  3. Pete (verified owner)

    Fantastic tool eliminating one of the more tricky and stuborn steps in any flywheel build. Thank you Foamblast!

  4. Wagon_Waifu

    If you’re getting the Yoink Adapter, pay the extra few bucks more to get this, as well. Takes the guesswork out of making sure that your brand new flywheels are aligned properly.

  5. Sean (verified owner)

    Overall, this is a great tool for most people. I only have a few minor complaints…
    -3D printed parts on mine are in dark blue, makes it difficult to read the gauges.
    -Opening for motor shafts on flywheel side is just barely not wide enough for wheels with provisions for pinion puller extraction (e.g. Phoenix, Eclipse and Daybreak).
    -The base tool is not strong enough for very tight-fitting wheels like Riot!/Phoenix.
    Neat trick… If you have one of Kuryaka’s 3D-printed Daybreak spacers you can add it to the provided gauges on your Perfect FIT tool.

  6. ToadBrews (verified owner)

    I don’t often bother leaving reviews because I figure most products are pretty average. They do their job, but they’re nothing to get excited about. This tool is something to get excited about. Installing flywheels used to be a thirty minute process of carefully heating the wheels with a hair dryer, wiggling them on, pushing, pulling, levering. All while being extra careful not to mess up the motor shaft or solder tabs. Well, I put together my first flywheel cage using the perfect fit tool. Line it up. Click click click. Repeat for other wheel. Done. Perfectly aligned flywheels in under a minute with a tool that only costs a few dollars. EVERYONE who mods flywheel blasters needs one of these.

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