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Customers

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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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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Ricky H.

Ricky H.

Thanks for everything John. The headers are great !
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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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Jim W.

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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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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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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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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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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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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Carl E.

Carl E.

Dodge SRT-10 Viper
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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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Andrew R.

Andrew R.

I am very pleased with the quality of the magnum deep pan, and the best part is that it really is not much deeper than the stock pan so I dont have...
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Josh F.

I've bought parts and dealt with vendors in my job every day for the last 15 years. I have never dealt with a vendor as helpful and punctual as you...
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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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Daniel C.

Daniel C.

Thanks for your exemplary service. Keep doing what you're doing. Daniel C.
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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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Taylor M.

Taylor M.

Thanks a lot John !
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Pete L.

Pete L.

Mopar RB 440 Aluminum block with a Procharger. Makes 1600 HP!!
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Billy W.

Billy W.

Dakota R/T 408
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Jason B.

Thanks John.. you have been awesome to work with and I am REALLY looking forward to driving my SRT-10 again :) Jason
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Michael W.

Michael W.

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

David A.

Thanks for everything, David
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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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LS 408CI Stroker SB -4cc Flat Top Pist 24 Tooth Boost/NOS

This short block is built for engines that are going to be running Boost or Nitrous. It has upgraded ARP main studs, ARP 2000 rod bolts and Total Seal CS AP ring package with Steel rings gapped accordingly for engines pushing 10+ PSI. Due to so many variables, we do not rate these for Power or Boost limits.

 

  • Block: GM 6.0L Iron LQ4
  • Bore/Stroke: 4.030 x 4.000
  • Displacement: 408 C.I.D.
  • Crankshaft: Manley 4340 Forged 4.000" Stroker Internally Balanced 24 Tooth
  • Connecting Rods: Manley 4340 Forged H Beam 6.125" ARP 2000 Bolts
  • Pistons: 2618 Forged +4cc Flat Top
  • Piston Rings: Total Seal CS AP Steel Top Ring
  • Compression Ratio: 64cc=11.9:1/66cc=11.6:1/70cc=11.1:1
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Freeze Plugs: Brass Installed & Sealed
  • Oil Galley Plugs: Installed & Sealed
  • Weight:285

Contact Southeast Performance for details and pricing.




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