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A A New Disc Brake Conversion
A Chrysler 426 and 440 Blocks
A Mopar "Cast Iron" Race Blocks
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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->
Carburetors->
Chrome Accessories->
Chute Kits->
Clutches->
Cold Air Kits->
Custom Hoods->
Custom Parts Development->
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->
Suspension Components->
  |_ Afco Suspension Components
  |_ Air Lift Suspensions
  |_ Alinabal Rods Ends
  |_ Appleton Rack and Pinions
  |_ Aurora Rod Ends
  |_ Borgenson Steering Shafts
  |_ Detroit Speed & Engineering
  |_ Easy Street Suspensions
  |_ Elgin Industries
  |_ Energy Suspension
  |_ Global West Suspensions
  |_ Granatelli Motorsports
  |_ Heidt's Hot Rod Shop
  |_ Hellwig Suspensions
  |_ Ididit Custom Steering Columns
  |_ Moog Suspension Components
  |_ National Rod Ends
  |_ Ready Lift Leveling Products
  |_ Strange Mcpherson Strut Kits
  |_ Suspension Spring Specialist
  |_ Suspension techniques
  |_ Total Cost Involved Engineering
Tech Help
Throttle Bodies->
Tires->
Traction Components->
Transmission Components->
Tuning and Controllers->
Turbocharging->
Valvetrain Components->
Viper
Water Pumps->
Wheels->
Wideband Monitoring Systems->
Wiring harness and Accessories->

Customers

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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Hannu O.

Hannu O.

thank you very much from Finland!
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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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Billy W.

Billy W.

Dakota R/T 408
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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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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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Shaine D.

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

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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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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Toby W.

John, Thanks again so much. You're truly awesome.
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Bob F.

Bob F.

Plymouth 426 Hemi
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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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Robert S.

Robert S.

426 Hemi Cuda
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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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Ricky H.

Ricky H.

Thanks for everything John. The headers are great !
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Dan F.

Dan F.

John, The truck is not done but i drive it daily and it runs good now. Eventually id like to do the rear brakes! Thanks
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Henry T.

Henry T.

HEY! Everything is installed and car runs AWESOME! Thanks for everything, Thanks again. Henry 2000 Dodge Viper R/T 10
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Kyle M.

Kyle M.

John, I am very pleased with the brake conversion. The kit was very easy to install and I didn't have any problems and look very good as...
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Ricky R.

Ricky R.

1937 Chevy Legends Race Car, Thanks for everything!
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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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Suspension Spring Specialist

Suspension Spring Specialist, Inc. has been designing and manufacturing coil springs for the automotive racing industry. We have one of the largest selections of heights and rates of springs available, and a large inventory of springs for fast, same day shipment, as well as various size of pro shocks and assorted accessories you may need. There is no finer guarantee in the spring industry than the one you receive from Suspension Spring Specialist, Inc. If any spring is found to be defective in material or workmanship, it will be replaced at no cost to the purchaser.




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