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A New Product->
Adjustable PCV Valve Stops Leaks
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Electronics and Delay Boxes->
Engine Blocks
Engine Parts->
Engine Swap Kits
Engines->
Exhaust Components->
Exterior Vehicle Components->
Fasteners->
Fire Equipment->
Floor Mats->
Fuel Injection Systems
Fuel System Components->
Gaskets->
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->
Striker Viper heads Return
SuperChargers->
Suspension Components->
Tech Help
Throttle Bodies->
Tires->
Traction Components->
Transmission Components->
Tuning and Controllers->
Turbocharging->
Valvetrain Components->
  |_ Guideplates->
  |_ Mopar Rocker Shaft Shims
  |_ Mopar W2 Rocker
  |_ Retainers->
  |_ Rev Kits->
  |_ Rocker Arms->
  |_ Seals->
    |_ Comp Cams Valve Stem Seals
    |_ Crane Valve Stem Seals
    |_ Crower Valve Seals
    |_ Edelbrock Valve Stem Seals
    |_ Fel Pro Valve Seals
    |_ Ford Racing seals
    |_ Manley Valve Stem Seals
    |_ Mopar Performance Valve Seals
    |_ Perfect Circle Seals
    |_ Pioneer Seals
    |_ Sealed Power Stem Seals
    |_ Victor Reinz Seals
    |_ World Valve Stem Seals
  |_ Stud Girdle Kits->
  |_ Valve Covers->
  |_ Valve Springs->
  |_ Valves->
Viper
Water Pumps->
Wheels->
Wideband Monitoring Systems->
Wiring harness and Accessories->

Customers

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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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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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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Steven

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

Doug B.

My experience with Southeast Performance and John has been amazing. My Viper has gained another 200hp and drives fabulous. Thanks for everything!
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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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James G.

James G.

5.80 in 1/4 mile @ 244 mph & 3.76 @ 197 in the 1/8 mile
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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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Bob F.

Bob F.

Plymouth 426 Hemi
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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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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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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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Toby W.

John, Thanks again so much. You're truly awesome.
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Kyle M.

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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Ossi L.

you come highly recommended to me by Finnish racers!
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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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Kayden G.

Kayden G.

Well your service is amazing. Never had better from any company I've ordered from! Kayden
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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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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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Matt G.

I just want to say thanks for all that you have done for me, because over the weekend I was the fastest R/T out there with no power-adders and still...
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Robbie C.

Robbie C.

Great job all round !
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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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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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Comp Cams Stem Seals

COMP Cams offers a complete line of valve seals, from the stock GM O-rings to the positive-stop Teflon® seals. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The O-ring seals use the standard retainer and oil splash shield. The umbrella seals are normally used when a larger-than-stock diameter spring is used. In the case of a double spring, the positive stop Teflon® seals are used. For triple-spring applications, use the smaller-diameter Viton® seals.



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