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Customers

Clay B.

Clay B.

Thanks for everything !
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Craig W.

Craig W.

Thanks John, So far 8 races and 8 top Five!!
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Ossi L.

you come highly recommended to me by Finnish racers!
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Phil S.

Phil S.

Great job creating this Dakota R/T Ground Affects Kit. Phil
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Billy W.

Billy W.

Dakota R/T 408
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Don S.

John, I can't emphasize this enough, but without the help you're getting me I could not have afforded my dream engine! I literally have cringed when...
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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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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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Robert S.

Robert S.

426 Hemi Cuda
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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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Alexander F.

Alexander F.

Hey John! Roller Rockers are still in and have been great. I get almost 18mpg highway! I seriously appreciate all your help.
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David A.

David A.

Thanks for everything, David
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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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Ryan

bought numerous things and all transactions went very smooth. Responded to emails within a day or less. Ryan
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Gary H.

Gary H.

John, Thanks a lot !
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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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Jared B.

John, You Rock! Thanks again for the great deals and speedy service. Really appreciate it. Jared Dakota R/T
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Mike M.

John's very honest, something that's hard to find these days. This means he'll tell you the truth and you may not want to hear it. LOL. The best...
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William K.

You do outstanding work man. My whole crew is ready to see your work in action ;-)
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Matt G.

I just want to say thanks for all that you have done for me, because over the weekend I was the fastest R/T out there with no power-adders and still...
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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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Dan B.

Dan B.

Dakota R/T 408, Thanks for everything! Dan https://www.youtube.com/watch?v=wZekmXKYXA4
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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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Colton H.

Colton H.

"Johns the man, bought a 410 package from him years ago after I got back from overseas. The caveat I gave John was that it had to pass Californian...
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Felix C.

How awesome is this! This superb service is exactly on point w/what everyone have raved about. Thank you, Felix
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Page 3

 

Southeast Performance utilizes all of the Hi Tech equipment that you would find in the cylinder head industry. Not only can we Hand Port Cylinder heads but we now offer full CNC Ported Steel and Aluminum Heads as well. We have a Fadal five simultaneous axis CNC machine. The Fadal machine is capable of porting heads to converting manifolds with a standard carb opening to a dominator flange. We also use the Serti 3.0 for superior quality valve seat cutting equipment.

       

 

 

You have probably heard the expression, "More air and fuel in, more power out."

Well, that's exactly what a good pair of cylinder heads do. They allow the engine to breath more efficiently, which in turn makes more power. The power potential of any engine is limited by its cylinder heads. Sure, it's possible to push air and fuel into an engine with a blower or nitrous, but the amount of pushing you can do is still limited by the efficiency of the heads and intake system.

We have had a lot of experience with the various heads on the market and have learned which ones are best for particular applications. Let our knowledge keep you from making a mistake. "Bigger is not necessarily better" when cylinder heads are involved. Port shape and configuration are much more important than size. Too big a port on a relatively mild engine can actually make the car run slower than stock. And a larger port does not necessarily flow more air, shape is everything. As with everything else, it's the right combination of pieces that will make the most power, not necessarily just good pieces.

Our experiance in the racing industry allows us to offer a very complete and competitive head selection. So whether you need a pair of stock GT-40 cylinder heads, Dart Pro or an all out race ported set of Mopar 426 Hemi Heads Southeast Performance can meet your needs.


The Skunk Works
Specializing in cylinder heads that require stock appearances. We modify the critical areas of the port for air flow and velocity improvement, then cover up the machined areas.

 

   Listed below are just some of the more popular packages with many others available. 
             Please contact us for your specific application and competitive pricing.
Ford Cylinder heads
Ford Cylinder heads
Foreign Cylinder Heads
Foreign Cylinder Heads
GM Cylinder Heads
GM Cylinder Heads
Mopar Cylinder Heads
Mopar Cylinder Heads
Motorcycles
Motorcycles



 

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