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Customers

Chris B.

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

Dan B.

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

Michael W.

After getting all the compatible stuff shes a beast! Michael
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Tom R.

John--the 408 engine you built for me is outstanding. Feel free to give him my cell number and I'll happily give you a strong reference. Thank you...
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Gary H.

Gary H.

John, Thanks a lot !
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Maurice

Maurice

Maurice 73 Dodge Dart
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Benny C.

Benny C.

Thanks for the Great Mopar Service !
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Rob D.

John is a real awesome guy. i couldn't thank u enough for all the help over 7-8 years.
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Taylor M.

Taylor M.

Thanks a lot John !
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Brian A.

Brian A.

The 408 engine runs strong, put on dyno 405hp with 415tq N/A not shabby.. also was on 22" wheels with those numbers est. 500-525 @ crank. Thanks so...
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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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Hannu O.

Hannu O.

thank you very much from Finland!
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Ricky J.

Thanks for all the info, you have been a great help and a credit to your company.
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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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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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Steven

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

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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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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Shaine D.

Wow! Thank you for that quick and informative response. Must be why you are always recommended. Shaine
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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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Pete L.

Pete L.

Mopar RB 440 Aluminum block with a Procharger. Makes 1600 HP!!
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James G.

James G.

5.80 in 1/4 mile @ 244 mph & 3.76 @ 197 in the 1/8 mile
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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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Superior Axles

Superior Axles are engineered and manufactured in-house to be the best axles on the market! We've listened to our customers, and improved on the factory designs. Each axle or axle kit solves a specific problem for your customer, and are packaged installation ready with studs, bearings and seals. Many feature larger splines for extreme duty applications, and dual bolt patterns for upgrading to larger studs. All our shafts use a cold-formed rolled spline process that produces an axle spline up to 35% stronger than cut splines!

• COMPLETE with Studs, Bearings and Seals
• Exclusive 2 year warranty on all standard spline axles.
• All BIG SPLINE kits feature our exclusive 5-year warranty!
• Standard with stock length studs.
• Rolled splines increase strength up to 35% over cut splines.




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