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Extreme 3D Customs

slot car break in block

slot car break in block

Regular price $10.00 USD
Regular price Sale price $10.00 USD
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Slot Car Break-In Block (HO Scale) – For T-Jet & AFX X-Traction – Fast Gear Break-In Tool
This listing is for a slot car break-in block designed for T-Jet and AFX X-Traction style HO chassis. It’s a simple bench tool that lets you run the chassis smoothly during break-in so you can seat the gears faster and get a noticeable improvement in performance.
What you’re buying
  • 1x Slot Car Break-In Block (tool only)
Fits
  • T-Jet HO chassis
  • AFX X-Traction HO chassis
    (Adjustable contact tabs allow you to fine-tune fit.)
How to use (quick gear break-in)
  1. Remove the wheels/tires (and rims if needed) from the chassis.
  2. Place the chassis upside down in the break-in block.
  3. Apply a small amount of Scratch Doctor to the gears.
  4. Adjust the metal tabs as needed for a perfect fit/contact.
  5. Run the chassis in the block to break in the gears quickly.
    You should see a noticeable improvement in performance afterward.
Why you’ll want it
  • Faster, easier gear break-in for T-Jet and X-Traction cars
  • Helps keep the chassis stable while running
  • Great for race prep, restorations, and routine maintenance
Important notes (please read)
  • Chassis, motor, wheels/tires, rims, and Scratch Doctor are NOT included — break-in block only
  • Always monitor your chassis during break-in
  • Color may vary by print batch/material
  • Minor print lines/cleanup may be present (normal for 3D printed items)
  • These will come in 1 solid color

Materials

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Care Instructions

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