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  |_ Guideplates->
  |_ 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->
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  |_ Valves->
Viper
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Customers

Hannu O.

Hannu O.

thank you very much from 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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Jim W.

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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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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Harold R.

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

Billy W.

Dakota R/T 408
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Taylor M.

Taylor M.

Thanks a lot John !
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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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Ian A.

Ian A.

I wanted to thank you for all your help and support, for being so patient and for being a good, honest person and especially so professional....
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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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Michael W.

Michael W.

After getting all the compatible stuff shes a beast! Michael
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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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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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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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James G.

James G.

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

Bob F.

Plymouth 426 Hemi
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Robert S.

Robert S.

426 Hemi Cuda
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Phil S.

Phil S.

Great job creating this Dakota R/T Ground Affects Kit. Phil
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Toby W.

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

Ricky H.

Thanks for everything John. The headers are great !
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Crower Valve Stem Seals

Crower valve stem seals provide correct oil control at the valve guide. Their spring-loaded wiper design prevents unwanted oil contamination on the cylinder. Crower valve stem seals feature heavy-duty steel and TeflonĀ® construction.

These seals provide maximum valve stem oil control. They wipe excess oil from the valve stem by means of a unique spring loaded wiper assembly, thus preventing unwanted oil from reaching the cylinder.




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