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Customers

Steven

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

David A.

Thanks for everything, David
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William K.

William K.

Well your service is amazing if you want my opinion. Never had better from any company I've ordered from. William K.
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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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Dan B.

Dan B.

Dakota R/T 408, Thanks for everything! Dan https://www.youtube.com/watch?v=wZekmXKYXA4
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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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Taylor M.

Taylor M.

Thanks a lot John !
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Benny C.

Benny C.

Thanks for the Great Mopar Service !
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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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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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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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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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Harold R.

John, Thanks for the great customer service! Harold
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Bruce P.

Bruce P.

You’ve got a big fan in me. Oh yeah, the car is awesome. Runs like a raped ape. So thanks a lot !
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Bob F.

Bob F.

Plymouth 426 Hemi
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Phil S.

Phil S.

Great job creating this Dakota R/T Ground Affects Kit. Phil
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Gary H.

Gary H.

John, Thanks a lot !
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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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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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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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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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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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Craig W.

Craig W.

Thanks John, So far 8 races and 8 top Five!!
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Viper



Product Image Item Name- Price
1996-2013+ Dodge Viper 1200hp Axles

1996-2013+ Dodge Viper 1200hp Axles

1996-2013+ Dodge Viper 1200hp Axles. We now have Dodge Viper 1200WHP Level 5 Axles (comes with female inner flanges and removable differential...
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Dodge Viper Gen V 9.0L Xtreme Engine Upgrade

Dodge Viper Gen V 9.0L Xtreme Engine Upgrade

Dodge Viper Gen V 9.0L Xtreme Engine kit. Xtreme upgrades increase Viper Gen V performance well for over 747 naturally aspirated rear wheel...
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Dodge Viper Roller Rockers

Dodge Viper Roller Rockers

Our 1.7 ratio lightweight adjustable roller rockers provide more precise valve timing for horsepower improvements over stock. Typical gains of 17-20...
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Gen 4/5 Viper Billet Main Cap Set

Gen 4/5 Viper Billet Main Cap Set

Gen 4/5 Viper Billet Main Cap Set
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Gen III Viper Upgrade Kit

Gen III Viper Upgrade Kit

Enthusiasts looking to extract up to 150 more horsepower from their Gen III Dodge Viper can now bolt on a Performance Upgrade Kit to their stock V-10...
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Gen IV Viper Stage II Performance Package

Gen IV Viper Stage II Performance Package

Gen 4, 5,Viper Stage II Performance Package  •Custom Calibration for VENOM controller)  •Revised fuel, spark and throttle...
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JM Striker Cylinder Heads

JM Striker Cylinder Heads

The J.M. Striker Head is the first and only head of its kind. J.M. used over 15 years of racing head experience to develop the Striker Head. J.M....
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Low travel Hydraulic Tie Bar Roller Lifters for Gen 4/5 Viper

Low travel Hydraulic Tie Bar Roller Lifters for Gen 4/5 Viper

Low travel Hydraulic tie bar Roller Lifters for Gen 4/5 Viper .842" Dia body .700" Roller .312" Pushrod Cup sold as a set of 20.
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New Release Roller Lifters For Gen 4/5 Dodge Vipers

New Release Roller Lifters For Gen 4/5 Dodge Vipers

These tie-bar lifters are a perfect fit for street or race applications. Whether you are into straight line, drag, road, or marine racing, or you're...
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ProEFI Standalone Tuning

ProEFI Standalone Tuning

Southeast Performance has teamed with Professional EFI for todays most proficient standalone tuning devices. PROFESSIONAL EFI SYSTEMS STRIVES TO...
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