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5 Star Original Hardener


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Items Included

5186 | Original Hardener – Fast (1 Quart/.946 Liters)

5187 | Original Hardener – Medium (1 Quart/.946 Liters)

5188 | Original Hardener – Slow (1 Quart/.946 Liters)

Also Available in 1/2 Pint size.

Product Description

5 Star Xtreme Original Hardener is recommended for use with the following products

  • 5165 | Xtreme “Flat Finish” KlearKote – 4.4 voc
  • 5172 | Xtreme Original Speed KlearKote – 4.2 voc
  • 5185 | Xtreme Original KlearKote – 4.4 voc
  • 5885 | Xtreme Universal Urethane Pimer Surfacer/Sealer


To see our complete line of automotive paint products including clear coats, primers, reducers, paints and other supplies, just click on any of our product categories on the left of this page. We gladly offer shipping discounts on multiple item purchases..

Online photos are intended for general color reference only. Please refer to Color Chart for actual color samples.

This item can only ship by ground within the Continental US.
Next Day or 2nd Day, AK & HI, & International delivery not available.


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***Always read, understand, and follow the product information and instructions provided. Product use is void where prohibited, and is intended for use only by professionals or under a professional's supervision. PaintForCars.com and Trinity 1945 Inc. are not responsible for adverse results while using our products. Liability, if any, shall not exceed a refund of the purchase price.