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A A New Disc Brake Conversion
A Chrysler 426 and 440 Blocks
A Mopar "Cast Iron" Race Blocks
A Mopar News
A New Mopar B/RB Windage Tray
A New Mopar SB Cylinder Head
A New Trick Flow Mopar Head
Air Conditioning Custom Kits->
Automotive and Marine Covers
Brakes->
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Chrome Accessories->
Chute Kits->
Clutches->
Cold Air Kits->
Custom Hoods->
Custom Parts Development->
  |_ Dodge Truck->
    |_ Custom All Wheel Disc Brake Kits
    |_ Custom Billet Fuel Rails
    |_ Custom Billet Radiators
    |_ Custom Billet Valve Covers
    |_ Custom Deep Oil Pans
    |_ Custom Dodge Magnum Rockers->
      |_ Custom Adjustable Roller Rockers
      |_ Custom Stud Mount Roller Rockers
      |_ Our Famous Non Adjust Rockers
    |_ Custom Ground Affects Kit
    |_ Custom HEBB Magnum Girdle Kit
    |_ Custom Tuned Long Tube Headers
    |_ Stainless Braided Brake Lines
  |_ Dodge Viper
  |_ Gen 3 Hemi
Cylinder Head Porting->
Electric Cooling Fans->
Electronics and Delay Boxes->
Engine Parts->
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->
SuperChargers->
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Tech Help
Throttle Bodies->
Tires->
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Transmission Components->
Tuning and Controllers->
Turbocharging->
Valvetrain Components->
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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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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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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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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David A.

David A.

Thanks for everything, David
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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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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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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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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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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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Troy K.

Troy K.

Dodge Viper
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Carl E.

Carl E.

Dodge SRT-10 Viper
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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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Maurice

Maurice

Maurice 73 Dodge Dart
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Robert M.

John, Thank you for all you have done, From your previous email responses, you seem to be old school, a man of his word. Thanks again John for...
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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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James G.

James G.

5.80 in 1/4 mile @ 244 mph & 3.76 @ 197 in the 1/8 mile
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Jim W.

Jim W.

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

Thank You for all your help and hookups with the parts - sounds like a lot of people appreciate it, I'm one of those people. - Steve
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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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Gary H.

Gary H.

John, Thanks a lot !
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Harold R.

John, Thanks for the great customer service! Harold
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Famous "No Adjust" Bolt On Magnum Roller Rockers

Outselling all other Roller Rockers for Dodge Magnum engines, We Teamed with Harland Sharp to develop this Custom Made roller rocker in 1998. Outstanding gains in performance, power, and dependability can be achieved with this Simple Bolt On rocker arm system. 

They can and have been used with camshaft swaps, valve spring upgrades and revised cylinder head packages. No RPM limits or restrictions are placed on these rockers as found with other style rocker arms requiring additional costs in guideplate, hardened pushrod and valve cover upgrades.

Made for 3.9L, 5.2L , 5.9L, 408 Stroker

Fits under stock valve covers

No beating baffles or drilling valve covers required

No guideplates required

No hardened pushrods required

No lash adjustments required




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