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A A "NEW" Mopar SB Cylinder Head
A Chrysler 426 and 440 Blocks
A Mopar "Cast Iron" Race Blocks
A Mopar News
A New Mopar B/RB Windage Tray
A New Trick Flow Mopar Head
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Electronics and Delay Boxes->
Engine Parts->
Engines->
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Gear Venders Overdrive Units
Ignition Components->
Lift Kits->
Lowering Kits->
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Race Wear and Accessories->
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Rear End->
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SuperChargers->
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Tech Help
Throttle Bodies->
Tires->
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Transmission Components->
Tuning and Controllers->
Turbocharging->
  |_ Complete Turbo Kits->
  |_ HEMI 5.7L,6.1L TwinTurbo Kits
  |_ Turbo Accessories->
  |_ Turbo Blow Off Valves->
    |_ Apexi Blow Off Valves
    |_ Blitz Blow Off Valves
    |_ Greddy Blow Off Valves
    |_ HKS Blow Off Valves
    |_ Perrin Blow Off Valves
    |_ Turbo XS Blow Off Valves
    |_ Turbonetics Blow Off Valves
    |_ Vortech Blow Off Valves
  |_ Turbo Intercoolers->
  |_ Turbo Timers->
  |_ Turbo Wastegates->
  |_ Turbochargers->
Valvetrain Components->
Viper
Water Pumps->
Wheels->
Wideband Monitoring Systems->
Wiring harness and Accessories->

Customers

Harold R.

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

Billy W.

Dakota R/T 408
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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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Clay B.

Clay B.

Thanks for everything !
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Jim W.

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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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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James G.

James G.

5.80 in 1/4 mile @ 244 mph & 3.76 @ 197 in the 1/8 mile
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Robert S.

Robert S.

Great parts and service! Robert
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Derek B.

Derek B.

Great Personalized service. Derek
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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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Shaine D.

Wow! Thank you for that quick and informative response. Must be why you are always recommended. Shaine
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Phil S.

Phil S.

Great job creating this Dakota R/T Ground Affects Kit. Phil
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Troy K.

Troy K.

Dodge Viper
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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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Buyer

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

Ricky H.

Thanks for everything John. The headers are great !
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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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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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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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Bill S.

Bill S.

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

David A.

Thanks for everything, David
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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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Toby W.

John, Thanks again so much. You're truly awesome.
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Apexi Blow Off Valves and Accessories

APEXI TWIN CHAMBER BLOW OFF VALVE

High-flow blow off valve

Compatible with a wide range of applications, from stock to high boost setups. Attractive finish.

A good blow off valve is an absolute necessity for high performance turbo systems. A well-engineered blow off valve prevents turbine damage by quickly relieving excess boost pressure without sacrificing boost response. Conventional blow off valve designs require choosing between flow capacity and boost response - blow off valves with high flow capacity generally have poor boost response, while blow off valves with good boost response are not able to handle high flow capacity. A'PEX engineers have developed a solution to this dilemma by creating the Twin Chamber Blow Off Valve.

The Twin Chamber Blow Off Valve is an adjustable, high-response unit for use on a wide range of applications. Rather than relying on the vacuum chamber alone, the Twin Chamber Blow Off Valve harnesses boost pressure in a second chamber to assist in opening the relief valve. This design allows the use of a unique flat-valve design, which provides excellent valve response under both low and high boost conditions without sacrificing flow capacity. Valve reaction is adjusted by tightening or loosening the spring tensioning screw on top of the unit. Blow off sound can be adjusted by turning the red collar at the base of the unit. With its innovative design and adjustment features, the Twin Chamber Blow Off Valve is flexible enough for use on street cars as well as race cars.





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