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Product List

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->
  |_ AEM Tuning
  |_ Bully Dog Diesel Performance
  |_ DiabloSport Tuning
  |_ Edge Performance Programmers
  |_ FAST EZ EFI 2.0 Tuning
  |_ FAST Flash Power Programmers
  |_ FAST XFI Tuning Systems
  |_ Greddy E Manage
  |_ Greddy V Manage
  |_ Holley Engine Management System
  |_ Holley Sniper EFI Kit
  |_ Hypertech Programmers
  |_ Jet Performance
  |_ Superchips Tuners
  |_ Unichip Tuning
Turbocharging->
Valvetrain Components->
Viper
Water Pumps->
Wheels->
Wideband Monitoring Systems->
Wiring harness and Accessories->

Customers

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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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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Ricky R.

Ricky R.

1937 Chevy Legends Race Car, Thanks for everything!
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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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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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Bob F.

Bob F.

Plymouth 426 Hemi
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Craig W.

Craig W.

Thanks John, So far 8 races and 8 top Five!!
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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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Jason B.

Thanks John.. you have been awesome to work with and I am REALLY looking forward to driving my SRT-10 again :) Jason
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Derek B.

Derek B.

Great Personalized service. Derek
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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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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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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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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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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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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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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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Billy W.

Billy W.

Dakota R/T 408
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Robert S.

Robert S.

426 Hemi Cuda
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Maurice

Maurice

Maurice 73 Dodge Dart
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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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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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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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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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DiabloSport Tuners

At DiabloSport, we do not wait for others to develop the leading edge technologies needed to succeed we create them ourselves to gain the competitive advantages that help differentiate us from the competition. In fact we employ degreed individuals in various disciplines. These DiabloSport tuners and engineers are at the very forefront of developing breakthrough technologies for the 21st Century.

Our production follows ISO 9000 guidelines when assembling all components. All of our products are pre-assembled by our Surface Mount Assembly line, which includes critical devices like pick-and-place machines and de-stackers. Though automation allows us to be more proficient at assembling, the true skills are in the handwork of our employees. Soldering key components is a job best done by highly qualified individuals and at DiabloSport we feel that individuals are our best asset.

Quality inspection is a job shared by both person and machine. Key connection spots are checked via laser guided cameras to ensure proper conductivity. The integrity of EVERY unit found in our products is checked by quality control inspectors, we dont sample one or two per batch here. Bench testing isn't enough either. New tunes are tested in the field by authorized DiabloSport beta testers and changes for increased power or adjustability are instantly released in downloadable updates via our website.

Contact Southeast Performance for all product, application and pricing.



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