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Customers

Craig W.

Craig W.

Thanks John, So far 8 races and 8 top Five!!
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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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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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Robert S.

Robert S.

Great parts and service! Robert
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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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Toby W.

John, Thanks again so much. You're truly awesome.
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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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Marko T.

Marko T.

Hi John! Thanks again for the great service! Marko T. Finland
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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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Kayden G.

Kayden G.

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

Chris B. won the late model feature easily Texas Motor Speedway.
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Gary H.

Gary H.

John, Thanks a lot !
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David A.

David A.

Thanks for everything, David
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Robbie C.

Robbie C.

Great job all round !
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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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Robert A.

Dude you are badass, no one and I mean one has made me feel better about getting work done then you and I appreciate that. thanks a million
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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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Dan B.

Dan B.

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

Alexander F.

Hey John! Roller Rockers are still in and have been great. I get almost 18mpg highway! I seriously appreciate all your help.
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Vincent G.

Thanks for all, Your shop is very highly recommended by a lot of Dakota/Durango owners up here in Canada.
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Daniel C.

Daniel C.

Thanks for your exemplary service. Keep doing what you're doing. Daniel C.
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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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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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Dodge Viper Billet Roller Rockers

Lightweight roller rockers provide more precise valve timing for horsepower improvement over stock. Conservative performance gains are 17-20 RWHP and RWTQ on a naturally aspirated engine. Gains may be higher on earlier Vipers that had a 1.5:1 ratio in stock form and in forced induction applications (typically 26 RWHP). The set of roller rockers will come with all mounting hardware and will require aftermarket pushrods. Harland Sharp has over 40 years of experience in building roller rocker arms. We try to make them affordable, adjustable, and easy to install for the average enthusiast. Tests show reductions in weight, friction, heat, and valve guide wear and increases in horsepower and performance through more accurate ratios and valve timing. The Dodge V10 rocker arms are a direct bolt on. Fully adjustable for use with larger cams No machining required 1.7 Ratio



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