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Customers

Hannu O.

Hannu O.

thank you very much from Finland!
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Brian C.

Brian C.

I have never had any problems with John on any transaction. One of the few vendors I have never had a single problem with. Including paying overnight...
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Taylor M.

Taylor M.

Thanks a lot John !
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Phil S.

Phil S.

Great job creating this Dakota R/T Ground Affects Kit. Phil
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Troy K.

Troy K.

Thanks for all your great help with my Viper.
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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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Kayden G.

Kayden G.

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

Dan F.

John, The truck is not done but i drive it daily and it runs good now. Eventually id like to do the rear brakes! Thanks
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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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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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William K.

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

Billy W.

Dakota R/T 408
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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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Shaine D.

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

Gary H.

John, Thanks a lot !
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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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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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Toby W.

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

Marko T.

I have been building cars over 20 years and you have been the best parts dealer ever! Thanx for your friendship! -Marko, Finland
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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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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 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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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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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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LS 408CI Stroker SB -4cc Flat Top Pist 58 T 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 58 Tooth
  • Connecting Rods: Manley 4340 Forged H Beam 6.125" ARP 2000 Bolts
  • Pistons: Manley 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 your application and pricing.




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