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Customers

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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James G.

James G.

5.80 in 1/4 mile @ 244 mph & 3.76 @ 197 in the 1/8 mile
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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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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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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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Ricky R.

Ricky R.

1937 Chevy Legends Race Car, Thanks for everything!
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Hannu O.

Hannu O.

thank you very much from Finland!
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Clay B.

Clay B.

Thanks for everything !
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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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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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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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Harold R.

John, Thanks for the great customer service! Harold
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Chris B.

Chris B. won the late model feature easily Texas Motor Speedway.
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Robert S.

Robert S.

Great parts and service! Robert
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Ricky J.

Thanks for all the info, you have been a great help and a credit to your company.
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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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Ryan

bought numerous things and all transactions went very smooth. Responded to emails within a day or less. Ryan
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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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William K.

You do outstanding work man. My whole crew is ready to see your work in action ;-)
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Robbie C.

Robbie C.

Great job all round !
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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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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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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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