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A A "NEW" Mopar SB Cylinder Head
A Chrysler 426 and 440 Blocks
A Mopar "Cast Iron" Race Blocks
A Mopar News
A New Mopar B/RB Windage Tray
A New Trick Flow Mopar Head
Air Conditioning Custom Kits->
Automotive and Marine Covers
Brakes->
Carburetors->
Chrome Accessories->
Chute Kits->
Clutches->
Cold Air Kits->
Custom Hoods->
Custom Parts Development->
Cylinder Head Porting->
Electric Cooling Fans->
Electronics and Delay Boxes->
Engine Parts->
Engines->
Exhaust Components->
Exterior Vehicle Components->
Fasteners->
Fire Equipment->
Floor Mats->
Fuel Injection Systems
Fuel System Components->
Gauges->
Gear Venders Overdrive Units
Ignition Components->
Lift Kits->
Lowering Kits->
Nitrous Kits->
Race Car Bodies->
Race Wear and Accessories->
Radiators and Components->
Rear End->
Roll Cages and Accessories->
Seats and Custom Interiors->
Shocks->
Spark Plugs->
SuperChargers->
Suspension Components->
Tech Help
Throttle Bodies->
Tires->
Traction Components->
Transmission Components->
Tuning and Controllers->
Turbocharging->
Valvetrain Components->
  |_ Guideplates->
  |_ Retainers->
  |_ Rev Kits->
  |_ Rocker Arms->
  |_ Seals->
  |_ Stud Girdle Kits->
  |_ Valve Covers->
  |_ Valve Springs->
    |_ Brodix Valve Springs
    |_ Comp Cams Springs
    |_ Crane Cams Springs
    |_ Crower Springs
    |_ Dart Valve Springs
    |_ Edelbrock Springs
    |_ Eibach Springs
    |_ Ferrea Valve Springs
    |_ Ford Racing Valve Springs
    |_ GM Performance Valve Springs
    |_ Isky Springs
    |_ K-Motion Valve Springs
    |_ Lunati Valve Springs
    |_ Manley Valve Springs
    |_ Mopar Performance Valve Springs
    |_ Pioneer Valve Springs
    |_ Sealed Power Springs
    |_ World Valve Springs
  |_ Valves->
Viper
Water Pumps->
Wheels->
Wideband Monitoring Systems->
Wiring harness and Accessories->

Customers

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 R.

Ricky R.

1937 Chevy Legends Race Car, Thanks for everything!
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Clay B.

Clay B.

Thanks for everything !
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Taylor M.

Taylor M.

Thanks a lot John !
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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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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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Maurice

Maurice

Maurice 73 Dodge Dart
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David A.

David A.

Thanks for everything, David
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Carl E.

Carl E.

Dodge SRT-10 Viper
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Michael W.

Michael W.

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

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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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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Craig W.

Craig W.

Thanks John, So far 8 races and 8 top Five!!
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Billy W.

Billy W.

Dakota R/T 408
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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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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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Toby W.

John, Thanks again so much. You're truly awesome.
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Troy K.

Troy K.

Dodge Viper
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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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Robert S.

Robert S.

Great parts and service! Robert
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Kayden G.

Well John, your service is amazing if you want my opinion. Never had better from any company I've ordered from. Thanks, Kayden
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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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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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Ricky H.

Ricky H.

Thanks for everything John. The headers are great !
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Dart Valve Springs

Dart's in house engine R&D program and daily contact with top engine builders have taught us which springs perform correctly under the stress of competition. We offer springs for all types of engines, including Street Performance, Oval Track, Marine and Drag Racing. Call Southeast Performance for your specific application.



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