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Customers

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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Clay B.

Clay B.

Thanks for everything !
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Kayden G.

Kayden G.

Well your service is amazing. Never had better from any company I've ordered from! Kayden
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Harold R.

John, Thanks for the great customer service! Harold
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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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Marko T.

Marko T.

Hi John! Thanks again for the great service! Marko T. Finland
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Kris L.

John, Sitting in the car with a big smile on my face. Thanks for the quality brand products and the great price. Cheers Kris
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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 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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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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Robert S.

Robert S.

Great parts and service! Robert
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Troy K.

Troy K.

Thanks for all your great help with my Viper.
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Chris B.

Chris B. won the late model feature easily Texas Motor Speedway.
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Billy W.

Billy W.

Dakota R/T 408
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Toby W.

John, Thanks again so much. You're truly awesome.
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Taylor M.

Taylor M.

Thanks a lot John !
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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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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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Michael W.

Michael W.

After getting all the compatible stuff shes a beast! Michael
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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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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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Jim A.

Jim A.

Two year champion in modified tractor pulling classes named "Watch This Trick". Chrysler 426 Hemi. Thanks for the Great Service!
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Maurice

Maurice

Maurice 73 Dodge Dart
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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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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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SRT-4 2.4L Turbo Engine

Years of experience and hundreds of successful builds have given us a pretty good idea of what these motors like!  If you're looking to make up to 800hp without having to worry about your bottom end you've come to the right place! SRT4 2.4L Features & Benefits.

The 2.4L retains the factory crankshaft and connecting rod configuration that made the SRT4's A855 famous. No need for custom parts here as there are a plethora of options on the shelf at all times! Included Services

•Engine blocks visit our hot tank and then proceed to rust removal before receiving a coat of black high temp engine paint for a finished appearance. •Crankshafts are never cut / turned and receive a micro-polish treatment and balancing specifically for high performance applications 

•The machine work process starts with an overbore. The overbore is followed with a three step honing process that is finished with a plateau hone for the absolute best cylinder wall finish and ultimate ring seating.

•The last step in the machining process is resurfacing. We pride ourselves on the surface finish (RA) we achieve as it is of the utmost importance in regards to head gasket sealing. A855 Included Components •King Main and Rod Bearings

•MAPerformance Crank Strap Kit •ARP Main Studs (We check for out of round and line hone if necessary) •Your choice of rods

•Your choice of Forged Pistons SRT4 A855 Options

• Crankshaft: We use standard size OEM crankshafts most frequently as we have not had a crankshaft failure to date. However, we realize that cores are hard to come by and there are weight advantages with some aftermarket crankshafts so we will happily build your shortblock accordingly! Core Requirements Unfortunately we don't have a source for good cores, so you must send us your core for the work to be performed on.




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