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Customers

Ricky H.

Ricky H.

Thanks for everything John. The headers are great !
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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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Hannu O.

Hannu O.

thank you very much from Finland!
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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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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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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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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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Michael W.

Michael W.

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

I just wish there were more guys like you around for us gen3 guys. Most just want a sale and don't care to actually help let alone give advice or...
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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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Shaine D.

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

James G.

5.80 in 1/4 mile @ 244 mph & 3.76 @ 197 in the 1/8 mile
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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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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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Harold R.

John, Thanks for the great customer service! Harold
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Jared B.

John, You Rock! Thanks again for the great deals and speedy service. Really appreciate it. Jared Dakota R/T
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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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Derek B.

Derek B.

Great Personalized service. Derek
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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 J.

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