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Premium automotive chemicals
trusted for over a century.
With a combined history of American-made quality and more than 150 years of trust, Bar's Leaks and Rislone stand above and beyond the crowd in premium automotive chemicals.
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Bar's Leaks
Bar's Leaks offer a full line of stop-leak products designed for radiators and cooling systems, engine oil, transmission, power steering and hydraulic applications.
See all the Bar's Leaks products
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Rislone
Rislone Engine Treatment provides penetrating lubrication and contains a proprietary additive package to remove sludge and prevent harmful engine deposits from forming.
See all the Rislone products
Not sure what you need?Choose your problem area
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“ Good products, good website and great advice. Thanks again for your help. ”
E. C., Southern Windows & Doors, Inc. - Ridgeland, MS
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“ I will continue to use Rislone in my vehicle. This stuff really works. ”
George R. -- Newcastle, PA
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“ Bar's Leaks "Head Gasket Fix 1-Step" should be sold at church. It's a miracle. ”
B. M. - Unknown
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“ He said that most of the mechanics who come into the store go with Rislone. ”
M. W. – Berkeley, CA
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“ I am now a customer for life and tell others about my fantastic results. Thanks for a GREAT PRODUCT. ”
G. M. - East Rockaway, NY
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“ I have tried virtually every other sealer on the market with minimal to no results, but YOUR PRODUCT WORKED! ”
R. R, P. - Westport, MA
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“ ...the noise from the lifter went away and my truck is running better than ever. Thanks Rislone for your great products!!! ”
D. H. - Mishawaka, IN
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“ The car is still running great. I can't even tell you how much trouble, time, money, and stress your product saved me. ”
L. M. - Fairfield, CA
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“ So many thanks for creating something that actually works. But then, you folks have been at it for a long time. ”
Fred V. -- Edmonton, Alberta CA
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“ Your head gasket repair product saved me over $1,000 in repairs on my 2004 Impala. It worked exactly as advertised, great product.
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Scott Adams - Johnstown, PA
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“ I followed the directions meticulously and it worked perfectly, saving me thousands of dollars...Thanks for a quality product. ”
B. M. - Newton, MA
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“ It’s been a godsend as we battle through tough times. ”
P. C. - Beaverton, Oregon
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“ My hat is off to your research scientists and engineers. Head Gasket Fix is a miracle drug! ”
B. M. - Huntington Beach, CA
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“ 2500 tablets later (the preventative maintenance dose), our boilers are no longer leaking. You have a great product! ”
M. L., Aspen, CO
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“ I remain skeptical of other "rebuilds in a bottle" but I would sure buy Bar's Leaks again. ”
M. L. - Pleasanton, CA
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“ I have no idea as to how these miracle additives work but I have the hard evidence they do. ”
R. B.
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“ We started the car up and within 5 minutes NO MORE LEAK! It was completely sealed. ”
Anonymous
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“ Thank you for saving my automotive life. ”
S. P. G. - Valley, AZ
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“ The engine has simply been given a second life! I will remain a faithful customer and continue to brag about your product. ”
K. S. – Phoenix, AZ
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“ Thanks to Rislone, I have increased my MPG without any mechanical change to my engine. ”
I.W.R - Orange, Texas
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“ I used your Rislone fuel injector cleaner and found a marked diference in idle, acceleration and noise. ”
W. Setter -- Tauranga, New Zealand
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“ This stuff is worth every single penny. I would have had to buy another car if it wasn’t for your product. ”
D. S. - Bluffton, Ohio
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“ ...thanks to your product it saved us a large towing bill and a lot of stress and headache. ”
C. P.
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“ You people are geniuses! Over the years, I have used your various products with 100% success! ”
D. S. - Johnstown, PA
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“ I used your product with great success the last nine months. After a blown head gasket, I applied your product and it immediately sealed the leaks. ”
G. K., Columbia MO
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“ Viola!, the lifter tap had completely gone away after about 200 miles of driving! ”
J. R. - Allentown, PA
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“ I can't say enough about a product that delivers as stated. A plus is it’s made in the USA. I'm a customer for life. ”
J. L., Bolingbrook, IL
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“ Since using Rislone with my oil changes, piston slap has been eliminated. I strongly recommend this product.
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J. S. - Deer Creek, IL
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“ I used Bar's and the leaks are all gone. It saved me and my weekend! ”
M. McKinley -- Richmond, VA
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“ I am now at just a tad over 40 MPG. Thanks Rislone! ”
T. B. - Anderson, SC
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“ I have never had this much GOOD happen all at once. ”
J. G. Holland, OH
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“ You saved my bacon and I'll tell all my friends. ”
Wes -- Rockledge, FL
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“ I'd like to congratulate you guys for making something in America that completely, completely works. ”
Listen to this testimonial
Greg C., Ventura CA
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“ Did EXACTLY what it said it would, in UNDER 100 miles. ”
R. Cann -- Sault Ste Marie, Ontario, Canada
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“ My dad said Rislone will keep the mechanics away -- and he was right. ”
D. S. - El Dorado, AR
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“ This product is unbelievable it worked exactly how your advertisement promised. I am now not only a true believer, but a living breathing witness. ”
Rev. J. L. H. Jr. - Cottondale, AL
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“ The Rislone stabilizer smoothed things out quite a bit. ”
S. K. - Houston, TX
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“ The leak was fixed and has stayed that way since. Thanks for saving me $600, Bar's! ”
S. T. - L.A., CA
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“ All the shop crew from Teen Challenge International of Mid America thank Bar’s Leaks for making a fine product. ”
Reverend James Bolin
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“ This engine is a 4 cylinder with almost 150,000 miles on it and it looks great on the inside! ”
J. E. – Port Charles, FL
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“ Your testimonial pages are no joke! Wow! ”
C. H. Catasauqua, PA
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“ This is an awesome product that I wish I would have tried long ago! ”
S. J. - Houston, TX
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“ If I could meet the person that invented Head Gasket Fix (the new stuff you add to antifreeze), I would give them a big kiss! ”
S.L. - Rockport, MA
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“ TO THE BAR'S LEAKS MAD SCIENTIST: YOU’RE THE BEST. THANKS!!!!!! ”
W. C. - Fort Wayne, IN
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“ Incredible! This stuff really works! ”
V. M. Geronimo, OK
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“ Your Rislone Compression Repair with Ring Seal is truly a miracle product. ”
M. C. - Columbus, OH
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“ Amazing, truly amazing. Thank you Bar's for giving me my car back. ”
G. S. - Simi Valley, CA
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“ I know no genie in a bottle exists, but your products are darn close enough! ”
G. W.
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“ God bless you. Your product is awesome. ”
B. B. - Pittsburgh, PA
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“ The Bar's Leaks Head Gasket Fix is truly the “Viagra” for the automotive cooling system. I am totally impressed. ”
J. N. - Owatonna MN
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“ It's like the product made my 3000GT VR-4 go back in time when it was in optimal performance in 1994. ”
N. G. - Los Angeles, CA
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“ I've driven the car over 3,000 miles without a single transmission problem. Truly amazing, I don’t know how you do it, but keep it up! ”
S. M. - Glasgow, KY
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“ You need to advertise more to get the word out about such a great product. I know I will recommend it. ”
H. W. – Beloit, WI
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“ I'm a pilot with a major airline, and I can tell you that this is the most remarkable additive I've ever come across! ”
J. R. - Shawnee
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“ I’ve got to tell you that your Bar’s Leaks Liquid Copper Block Seal must be some kind of miracle in a can. ”
C. D. – Skandia, MI
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“ My leak is GONE!! No more drip on the garage floor. Just wanted to let you know how satisfied I am... ”
M. J., Temple Hills, MD
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“ I've been in this business since 1951 and have never seen anything like this product. ”
Bill Best Best Auto REPAIR - Ithaca N.Y.
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“ It would have cost me $300 to fix my car myself. With this product, it cost me less than five dollars. ”
Anonymous
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“ I highly recommend Bar's Leaks Transmission Repair for any auto transmission before you have it rebuilt for $3000. ”
R. G. - Santa Clarita, CA
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“ I called my brother who is much more of a mechanic than me and he suggested Bar's Liquid Copper Block & Radiator Sealer. It amazes me how well it's worked. ”
C. G. – Austin, TX
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“ After 2 trips to town, I have ZERO leaks from the motor. Thanks for making such a good products! ”
T. C.
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“ Bar's Radiator Stop Leak Tablets got me through the cold spell in Phoenix. ”
Hank Flores - Phoenix, AZ
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“ I swear to you, it was like magic. Open bottle, pour, run engine, let stand overnight and VOILA the leaks had stopped. ”
J. - Chula Vista, CA
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“ I am here to tell you thanks for making such a wonderful product and for saving me thousands of dollars in repairs. ”
C. L.
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“ I added Bar's Power Steering Repair - Part Number 1600 - and the power steering “morning sickness” has gone away. ”
M. M. - Texas
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“ I am writing to ask you to never, never, whatever you do, never stop making Ring Seal. ”
R. P. – Dayton, OH
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“ I've never been so impressed by a product that really does what it says it will do and I'm writing this to thank you for a product that really works. ”
M. K. - Mt. Hood, OR
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“ This is the best $60.00 I have spent in a long time and just reinforces my faith in the Bar's Leak name! ”
S. P. - Waco, TX
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“ My Audi A6 wagon now has 252,450 miles and I’m convinced you’re the reason why. ”
F. S. – via email
Question? Problem?Fred can help!
Call tech support:
800-345-6572 (M-F, 8a -5p EST)
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Did you know?
The true story of how Bar's Leaks saved the USS Nautilus while on a top-secret mission. Read more »
The USS Nautilus