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Customers

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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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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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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William K.

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

Bob F.

Plymouth 426 Hemi
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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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Toby W.

John, Thanks again so much. You're truly awesome.
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Steve F.

Thank You for all your help and hookups with the parts - sounds like a lot of people appreciate it, I'm one of those people. - Steve
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Benny C.

Benny C.

Thanks for the Great Mopar Service !
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Bill S.

Bill S.

Thanks John, 426 Hemi stroker 588 https://www.youtube.com/watch?v=1dJdt0ZFzjU
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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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Craig W.

Craig W.

Thanks John, So far 8 races and 8 top Five!!
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Taylor M.

Taylor M.

Thanks a lot John !
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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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Ricky R.

Ricky R.

1937 Chevy Legends Race Car, Thanks for everything!
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Derek B.

Derek B.

Great Personalized service. Derek
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Maurice

Maurice

Maurice 73 Dodge Dart
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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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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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Shaine D.

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

Robert S.

426 Hemi Cuda
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Hannu O.

Hannu O.

thank you very much from Finland!
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Dart SHP LS 388CI Boost Ready Short Block

This short block is built for engines that are going to be running Boost! 

Using quality Dart SHP Special High Performance LS Next Pro cast iron bare blocks continue the evolution of their LS Next platform with superior strength. With full skirt designs, priority oiling systems, and other excellent features, these SHP LS Next Pro blocks are the perfect upgrades for your factory LS blocks, as well as ideal starting points for drag racers, circle track competitors, off-roaders, and high performance marine enthusiasts.

  • Bore/Stroke: 4.125" x 3.622"
  • Displacement: 388 C.I.D.
  • Crankshaft: K1 4340 Forged 3.622" Stroker Internally Balanced 58 Tooth
  • Connecting Rods: K1 4340 Forged H Beam 6.125" ARP 2000 Bolts
  • Pistons: Wiseco 2618 Forged +25cc Dished
  • Piston Rings: Wiseco GFX with Steel Top Ring and Napier 2nd Ring Set
  • Compression Ratio: 66cc= 8.8:1 / 68cc= 8.6:1 / 70cc= 8.4:1
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Freeze Plugs: Brass Installed & Sealed
  • Oil Galley Plugs: Installed & Sealed
  • Weight: 285



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