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Customers

Darren B.

Darren B.

John,Racing flat out on the 440/533 engine over 1 season & 65 passes at 8.97@150mph 1.27 60' getting great results!!Engine is GREAT!Thanks mate!
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Matt C.

Thanks again John, someone who’s willing to help and not just sell parts. So, looks like you’ll be listed on my referrals. Keep in touch. Thanks...
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Taylor M.

Taylor M.

Thanks a lot John !
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Brian R.

John!! Got my Viper back together, dyno tuned. Super happy with the results of your work!! Gained 112 RWHP and 107RWTQ!!!!! More at the crank. Sounds...
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Robert M.

John, Thank you for all you have done, From your previous email responses, you seem to be old school, a man of his word. Thanks again John for...
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Daniel C.

Daniel C.

Thanks for your exemplary service. Keep doing what you're doing. Daniel C.
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Michael W.

Michael W.

After getting all the compatible stuff shes a beast! Michael
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Steven

Southeast Performance and John Mercedes have been "OUTSTANDING" to do business with. I couldn't be happier.
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Derek B.

Derek B.

Great Personalized service. Derek
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Bruce P.

Bruce P.

You’ve got a big fan in me. Oh yeah, the car is awesome. Runs like a raped ape. So thanks a lot !
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Steve V.

Steve V.

You are the only guy who I trust to do the most important thing I'll ever do to my Roadrunner, a car that means more to me than any inanimate object...
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Dan F.

Dan F.

John, The truck is not done but i drive it daily and it runs good now. Eventually id like to do the rear brakes! Thanks
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Ian A.

Ian A.

I wanted to thank you for all your help and support, for being so patient and for being a good, honest person and especially so professional....
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Alan P.

First off, I just have to say that I have never came across a more stand-up guy that takes his time to connect with his customers and have the...
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Craig W.

Craig W.

Thanks John, So far 8 races and 8 top Five!!
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Scot C.

Scot C.

Thanks for everything John. We will be doing business again. At Nationals 6.38 on a 6.54 dial in.
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Maurice

Maurice

Maurice 73 Dodge Dart
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Chris B.

Chris B. won the late model feature easily Texas Motor Speedway.
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Barbara H.

John, Thanks again for making Colton's dream come true! The truck is in the body shop, the cowl hood arrived and the new 408 engine you built is...
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William K.

William K.

Well your service is amazing if you want my opinion. Never had better from any company I've ordered from. William K.
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Vincent G.

Thanks for all, Your shop is very highly recommended by a lot of Dakota/Durango owners up here in Canada.
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Michael D.

I just wish there were more guys like you around for us gen3 guys. Most just want a sale and don't care to actually help let alone give advice or...
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Benny C.

Benny C.

Thanks for the Great Mopar Service !
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Clay B.

Clay B.

Thanks for everything !
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Bruce P.

Bruce P.

John, you have been so prompt and helpful. Take care my friend and thanks again. I'll be back. Bruce
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BHJ Dynamic Balancers

B-H-J harmonic dampers meet all S.F.I. and racing association specifications.

B-H-J Harmonic Dampers or "Torsional Vibration Dampers" offer the most precise and advanced execution of the proven elastomer design.

Lightest Weight
Total Protection

B-H-J precision harmonic dampers offer maximum protection from torsional, axial, and radial crankshaft vibrations while adding minimum weight to the rotating assembly.

Meets S.F.I. 18-1 Specifications!

 

Accepted for use by:

         

ACCUS     CART   FIA    HDRA    IHRA
                        NASCAR     NHBA    NHRA    NTPA    SCCA    SCORE

Elastomer-type dampers are preferred by most engine designers because of their durability, superior high-frequency damping qualities, and their ability to dampen all types of vibrations: Torsional, axial and radial. Other damper designs are limited to damping torsional vibrations only.

Dampers are available for most engines in three different versions: all-steel, all-aluminum, and "combo." All three types are lighter than the O.E.M. units they replace and are lighter than competitive aftermarket dampers.  

"Combo" dampers are a product of B-H-J's long experience in the performance industry. The "combo" damper design mates a lightweight aluminum hub with a steel inertia ring. Established damper technology proves that the mass of the non-damping elements in any design actually amplifies harmonic vibrations. Therefore, elimination of non-damping mass greatly improves the effectiveness of any damper. In many instances this will allow the use of a smaller size damper. The net result of the lighter hub and smaller size is the potential for appreciably faster acceleration.

All-aluminum dampers are absolutely the lightest dampers available. Aluminum dampers yield maximum acceleration with some reduction in damping ability.

All-steel dampers have been manufactured by B-H-J Products longer than any other company in the industry. They have proven their merit in thousands of applications, including off-shore boats, Winston Cup and Busch Grand National stock cars, Short Track, Super Modified, Pro Stock and other drag racing cars, Formula 5000, Indy Cars, and street-driven grocery-getters.

B-H-J harmonic dampers are custom designed to meet each specific application. We do not produce one design and then change the snout design to suit the crankshaft. All critical O.E.M. mounting dimensions are duplicated for accurate alignment of accessory drives.

Externally balanced dampers feature a machined-in-place counterweight that precisely matches the O.E.M. unit it replaces, Internal or neutral balance dampers are balanced before shipment.

All B-H-J dampers feature a TDC mark and are marked in degrees from 0 to 50 in 2-degree increments as well as 90-degree marks for valve settings.

 





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