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Customers

Robbie C.

Robbie C.

Great job all round !
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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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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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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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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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Benny C.

Benny C.

Thanks for the Great Mopar Service !
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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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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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Harold R.

John, Thanks for the great customer service! Harold
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Taylor M.

Taylor M.

Thanks a lot John !
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David C.

Southeastern Performance has my vote. Thanks again!
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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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Ricky J.

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

Steve B.

Thanks for the help with my 426 stroker.
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Doug B.

Doug B.

My experience with Southeast Performance and John has been amazing. My Viper has gained another 200hp and drives fabulous. Thanks for everything!
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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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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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Chris B.

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

Hannu O.

thank you very much from Finland!
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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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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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Billy W.

Billy W.

Dakota R/T 408
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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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Dodge Magnum 408 Stroker Engines

This Dodge Magnum engine will generate 430 HP and 500 ft lbs TQ. It has a lopey idle and great low/mid range power perfect for a muscle car or truck.  This is one of our most requested builds but it can be modified for more or less power as required.

  • Horsepower: 430
  • Torque: 500 lb/ft
  • Block: Seasoned OE Magnum Block
  • Bore/Stroke: 4.040 x 4.000
  • Displacement: 408 C.I.D.
  • Crankshaft: Scat Nodular Iron 4.000" Stroke Internally Balanced
  • Connecting Rods: Scat 4340 Forged I Beam 6.123" ARP 8740 Bolts
  • Pistons: Forged
  • Piston Rings: Moly Rings
  • Compression Ratio: 10.1:1 Compression
  • Camshaft: Hydraulic Roller
  • Camshaft Specifications: Custom Grind
  • Camshaft Bearings: Installed & Clocked to OEM Position
  • Cylinder Heads: Edelbrock Performer RPM 63cc/171cc 2.02/1.60
  • Freeze Plugs: Brass Installed & Sealed
  • Rocker Arms: Stud Mount 1.6
  • Oil Galley Plugs: Installed & Sealed
  • Oil Pan: OE 5qt. Center Sump

Contact Southeast Performance for your custom build pricing.




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