JDC Titanium Cap for STM/JM Fab Tanks (Evo 7/8/9)

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$ 135 $ 150

JDC Titanium Cap for STM/JM Fab Tanks

This JDC Cap provides a very tight seal to replace your aftermarket STM or JM Fab Coolant Overflow, ACD, or Power Steering reservoir cap without having to change out the entire tank! Each cap is professionally CNC machined from a single piece of 6AL-4V Grade 5 Titanium. Each cap is laser etched with the circular JDC logo on the top and is hand polished before receiving our proprietary cold anodizing treatment for colors that will last for a lifetime!


  • Direct replacement for 03-06 Evo 7/8/9 with STM Coolant Overflow, ACD, or Power Steering Reservoirs.
  • Direct Replacement for 03-06 Evo 7/8/9 with JM Fabrication Coolant Overflow Reservoir.
  • Works as a direct replacement for any JM Fabrication reservoir.
  • May also fit Evo X with STM reservoirs, but fitment is not confirmed at this time.


  • 6AL-4V Grade 5 Titanium is super strong and will never rust!
  • Includes a seal for a tight, leak-proof fit
  • Available in polished, solid colors, or our famous burnt or rainbow finish! Email us for custom options.
  • Laser-etched JD Customs USA Titanium logo 
  • Custom-etched logos are available 
Please note: We cannot guarantee the orientation of the laser-etched logos on these caps due to the variation in how the cap screws onto the different reservoirs. 

    What's Included?

    • (1) Titanium Coolant Overflow Reservoir Cap & Seal

    About our titanium:

    • CNC machined from a single piece of Ti6Al-4V (Grade 5) titanium.
    • Each piece is hand polished before receiving our proprietary cold anodizing treatment for colors that will last a lifetime!
    • Available in bare, burnt, rainbow, or multiple solid-colored finishes.
    •  If you would like your part anodized in a custom color please contact us before ordering to make sure we can accommodate your request.
    • For a color chart and information on our titanium products please click here.

      Shipping Times:

      • All JDC titanium products are made to order unless otherwise stated on the item listing. Your estimated order shipping time can be anywhere from 5-15 business days and can vary depending on your order size, the products ordered, and the difficulty of custom options requested. If you would like a closer estimated shipping time, please call or email us. 

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