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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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Robbie C.

Robbie C.

Great job all round !
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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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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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Ricky H.

Thanks for everything John. The headers are great !
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Derek B.

Derek B.

Great Personalized service. Derek
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Robert S.

Robert S.

426 Hemi Cuda
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Troy K.

Thanks for all your great help with my Viper.
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Michael W.

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

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

Pete L.

Mopar RB 440 Aluminum block with a Procharger. Makes 1600 HP!!
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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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Kyle M.

John, I am very pleased with the brake conversion. The kit was very easy to install and I didn't have any problems and look very good as...
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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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Steven

Southeast Performance and John Mercedes have been "OUTSTANDING" to do business with. I couldn't be happier.
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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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David C.

Southeastern Performance has my vote. Thanks again!
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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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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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Home :: Engine Parts :: Cylinder Heads :: Dart :: Dart Cylinder Heads

Dart

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Dart Cylinder Heads

Dart's Cylinder Heads are cast from the same virgin 355-T6 aircraft alloy that is used in Dart Pro-Stock heads. These LS-style heads are available with high flowing as-cast ports. Standard valve angle and spacing is retained for bolt-on compatability. As-cast heads are bowl blended on 5-axis machining centers. Manganese bronze valve guides are used for long life, and hardened valve seats provide durability with unleaded fuels.production, however. We are constantly redefining our products to bring our customers the best performing components at incredible value. Da

DART 385cc BB Chevy

385cc Intake Runners. CNC Ported Intake/Exhaust. CNC Chambers. 598+ CI w/Power Adders. Port Designed for Nitrous. Add New or Supply Castings. Uses Dart 320/360 Casting

DART Pro 1 365cc BB Chevy

365cc Intake Runner. CNC Ported Intake/Exhaust Ports. CNC Chambers. Ports Designed for Nitrous. 2.300/1.880 Valves. Pro 1 Castings: 310,325,345cc Add New or Supply Castings.

DART Pro 1 SBC 23° 245cc

Our Program makes any DART 200-230 into a 245cc Intake Runner with a 2.080 Intake Valve. 5-Axis CNC Ported Intake/Exhaust Ports. CNC Machined Combustion Chambers. SERDI Valve Job. Great Head for Budget Large 400+ Cubic w/Large Power Adder. Flow Numbers Available. Add New or Supply Castings.

DART 210cc SB Ford

210cc Intake Runner. CNC Ported. SERDI Valve Job. 2.020/1.600 Valves. Suitable for 302 w/Power Adder or 351+ w/no Power Adder. Add New Castings or Supply Castings.

DART Pro 1 23° SBC 230cc

Our Program makes any DART 200-215 into a 230cc Intake Runner with a 2.050/2.080 Intake Valve. 5-Axis CNC Ported Intake/Exhaust Ports. CNC Machined Combustion Chambers. SERDI Valve Job. Flow Sheet Available. Add New or Supply Castings.

Contact Southeast Performance Others Available.

rt's new custom designed and built wet flow bench is an example of our commitment to excellence. Capable of replicating the flow characteristics of a 600ci Pro-Stock engine at 10,000rpm, this one of a kind device enables us to analyze cylinder head flow properties in a whole new light. The result is redesigned ports and combustion chambers which produce significant increases in real world power.