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Customers

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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Buyer

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

Dan B.

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

Your 408 runs like a dream. I think we are well over the 400hp side, a new 300hp mustang could not overcome, it is a beast. I am very happy with the...
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Ken L.

John, Thanks for all your help. I wish I had known about you before I ordered the rest of my stuff! Thanks, Ken
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Michael W.

Michael W.

After getting all the compatible stuff shes a beast! Michael
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Gary H.

Gary H.

John, Thanks a lot !
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Toby W.

John, Thanks again so much. You're truly awesome.
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Henry T.

Henry T.

HEY! Everything is installed and car runs AWESOME! Thanks for everything, Thanks again. Henry 2000 Dodge Viper R/T 10
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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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Ryan

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

Bruce P.

You’ve got a big fan in me. Oh yeah, the car is awesome. Runs like a raped ape. So thanks a lot !
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Maurice

Maurice

Maurice 73 Dodge Dart
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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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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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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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Mitch C.

Awesome work! Glad I went with you guys! Anyone I know of that wants to build I'll send your way! Thanks John! Your the man!! Mitch
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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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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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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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William K.

William K.

Well your service is amazing if you want my opinion. Never had better from any company I've ordered from. William K.
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Chris B.

Chris B. won the late model feature easily Texas Motor Speedway.
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LS 408 Short Block -18cc Dish Piston 24 Tooth

Southeast Performance is now offering a complete line of LS Short Blocks! 

This LS 408 Stroker is built to handle up to 700HP with a Manley Forged Bottom End! 
 
This shortblock has -18cc Dished Pistons and a 24 Tooth Crank. Many other combinations available for Nitrous, Boost etc.
  • 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 8740 Bolts
  • Pistons: Manley 2618 Forged +18cc Dished
  • Piston Rings: Moly Rings
  • Compression Ratio: 64cc=10.2:1/66cc=10.0:1/70cc=9.6:1
  • 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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