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Home > Tank Sealers

Large Cycle Tank Sealer PLUS Kit

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Large Cycle Tank Sealer PLUS Kit

Our "PLUS" Kit contains everything found in our LARGE CYCLE TANK SEALER KIT, "PLUS" a quart of KBS STRIP to quickly remove any old failing sealers previously used to seal your tank.

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Part #: 52055-S
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KBS Tank Sealer

The KBS Large Cycle Tank Sealer PLUS Kit contains everything you need to strip and seal a tank of up to 12 gallons.

Gold Standard Fuel Tank Sealer, is a superior, single-component, ready-to-use fuel tank sealer.

Gold Standard Fuel Tank Sealer is specifically formulated to stop rust and corrosion by forming a tough, fuel impervious coating while simultaneously sealing small pinholes and weld seams.

This kit contains our KBS Klean (a water-based, heavy-duty, cleaner/degreaser) and KBS RustBlast (a powerful rust remover/metal etch) to obtain a permanently sealed, rust-free fuel tank. These KBS prep products are formulated to leave a temporary protective coating in addition to a zinc phosphate film.


  • KBS Strip - Quart
  • KBS Klean - Quart
  • RustBlast - Quart
  • Tank Sealer - Pint
  • Black Nitrile Gloves
  • Stir Stick and Detailed Instructions


  • Strips previous coatings or liners
  • Silver metallic permanent coating
  • Eliminates all rust & corrosion
  • Impervious to all fuels, alcohol additives & most solvents
  • Permanently seals pinholes & weld seams
  • Flexible to expand & contract
  • Gold Standard Tank Sealer can withstand temperatures of up to 500° F.
  • Non-flammable
  • Environmentally safe
  • Contains no Methyl Ethyl Ketone


steel, aluminum & fiberglass fuel tanks • diesel tanks • oil tanks • utility tanks • non-potable water tanks

Directions, Info Pages, and Tech Support

Tank Sealing DirectionsTank Sealing Flow Chart
Tank Sealer Tech Data3-Step Tank Sealing System
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Tech Support Forum
How To Avoid
Common Tank Sealer Mistakes
Tank Sealer How-To'sTank Sealer FAQ's
Tank Sealer Chemical Resistance 

Video - Sealing a Gas Tank

Learn how to seal up a Motorcycle Gas Tank with the KBS Cycle Tank Sealer Kit which gives you everything you need to seal a tank of up to 5 gallons.

Video - Sealing a Car Gas Tank - Part 1 of 4

Covers tank removal & fuel tank repairs.

Video - Sealing a Car Gas Tank - Part 2 of 4

Covers degassing the tank and welding any holes that are larger than pinholes.

Video - Sealing a Car Gas Tank - Part 3 of 4

Covers cleaning the tank with KBS Klean and etching the tank with RustBlast.

Video - Sealing a Car Gas Tank - Part 4 of 4

Covers sealing the tank with Gold Standard Tank Sealer.

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WARNING: This product contains a chemical known to the State of California to cause cancer and/or birth defects or other reproductive harm. www.P65Warnings.ca.gov

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Questions and Answers
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Q: I have a tractor with a 10 gallon tank what kit would you recommend?

Asked by:  - 9/23/2013

A: This kit will seal up to a 12 gallon tank, so it will work for your 10 gallon tank. This kit also includes KBS Strip to remove any old sealers that are in the tank.

Was this answer helpful?   9 of 9 Customer(s) found this Answer helpful.

Customer Reviews - Others Say It Best +See All Reviews
review 23 Total Reviews Sorting:
Rating Good Stuff !!!
I used this coating system to seal a carbon fiber gas tank for an exotic motorcycle. Used the same process as recommended for fiberglass and it went well. The KBS Strip will eat duct tape, though, so be careful how you seal up the tank for that part. Take your time and clean up any leaks or spills quickly. Pretty simple process, if a bit messy. The end result was outstanding and I am sure will hold up well.
  Did you find this helpful?    101 of 105 Found Helpful
Reviewed by:  from Peachtree City, GA. - 7/6/2012
Rating Works great!!
KBS coatings worked great on my fiberglass fuel tank, Now I don't have to worry about alcohol blended fuels anymore.
  Did you find this helpful?    96 of 98 Found Helpful
Reviewed by:  from Haven, KS. - 1/29/2012
Rating great product
Bought this product to repair the rusted interior of the tank on my 85 trx 200 atv. The product came with everything needed to completely repair and reseal the tank. Instructions are easy to follow and product worked flawlessly. My tank now looks brand new again!
  Did you find this helpful?    96 of 102 Found Helpful
Reviewed by:  from Dallas Tx.. - 1/2/2013
Rating Great product will use again
Used the tank sealer on an old rusty John Deere B gas tank. We dad previousley attempted to seal the tank with another product but it started to peel up exposing the rusty surface. Used the KBS strip and it turned the old sealer into jelly - amazing. I was able to remove it with ease. Followed the detailed step by step directions, watched the video and it worked like described. I will use this product again in the future. projects.
  Did you find this helpful?    78 of 80 Found Helpful
Reviewed by:  from Bloomfield, IN. - 10/12/2013
Rating Excellent Product
I was worried about stripping the old coating out of the tanks on my 92 Softtail. But I followed the instructions and took my time and I am very pleased with the results.
  Did you find this helpful?    78 of 80 Found Helpful
Reviewed by:  from South Florida. - 2/26/2011
Rating This is the real deal!
What a relief after using the Krummy koating.
  Did you find this helpful?    75 of 78 Found Helpful
Reviewed by:  from Corvallis, Oregon. - 5/29/2012
Rating Excellent Tank Sealing Kit
This is by far the best motorcycle tank cleaning / sealing system that I've used....
  Did you find this helpful?    56 of 57 Found Helpful
Reviewed by:  from Cicago. - 3/24/2016
Rating Outstanding Product!!!
remodeld my rusty cycle tank; looks like new after finishing the whole job; but it takes 4 Days to dry, thats the only bad thing... ;-)
  Did you find this helpful?    56 of 57 Found Helpful
Reviewed by:  from El Paso, TX. - 12/31/2011
Rating Easy to use!!
I followed the product directions as prescribed. All went as planned. I refinished a 35 year old motorcycle tank I used a inspection camera before and after. I am very confident of the coverage and finish that was achieved.
  Did you find this helpful?    44 of 45 Found Helpful
Reviewed by:  from Massillon,Ohio. - 5/27/2014
Rating Very Impressed!
Currently applying product...[...]ce!
  Did you find this helpful?    44 of 45 Found Helpful
Reviewed by:  from Vancouver, BC. - 7/2/2011
Review Large Cycle Tank Sealer PLUS Kit
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