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A Chrysler 426 and 440 Blocks
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A New Mopar B/RB Windage Tray
A New Trick Flow Mopar Head
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Engines->
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Seats and Custom Interiors->
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Tech Help
Throttle Bodies->
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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 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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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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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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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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Bob F.

Bob F.

Plymouth 426 Hemi
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Taylor M.

Taylor M.

Thanks a lot John !
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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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Toby W.

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

Maurice

Maurice 73 Dodge Dart
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Harold R.

John, Thanks for the great customer service! Harold
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Jim W.

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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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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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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Bill S.

Bill S.

Thanks John, 426 Hemi stroker 588 https://www.youtube.com/watch?v=1dJdt0ZFzjU
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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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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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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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David A.

David A.

Thanks for everything, David
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Jared B.

John, You Rock! Thanks again for the great deals and speedy service. Really appreciate it. Jared Dakota R/T
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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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Benny C.

Benny C.

Thanks for the Great Mopar Service !
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Robert S.

Robert S.

426 Hemi Cuda
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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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Dan B.

Dan B.

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

Michael W.

After getting all the compatible stuff shes a beast! Michael
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Sealed Power Valve Springs

Valve springs are one of the most critical and overlooked components in your engine. Use these Sealed Power valve springs to be matched to your cam and help your engine to reach its full potential. It does absolutely no good to install a cam that will perform up to 7,000 rpm if you do not have the correct springs. Use the only valve springs that will give the recommended spring pressure with the valve both on the seat and at maximum lift. Sealed Power valve springs are offered in single and dual styles to meet their cam requirements.



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