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Lift Kits->
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Race Car Bodies->
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Radiators and Components->
Rear End->
Roll Cages and Accessories->
Seats and Custom Interiors->
Shocks->
Spark Plugs->
Striker Viper heads Return
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
  |_ Hotchkis Chevy Sport Suspensions
  |_ Hotchkis Mopar Sport Suspension
  |_ Hotchkis Mustang Suspension
  |_ Hotchkis Pontiac 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

Steve V.

Steve V.

You are the only guy who I trust to do the most important thing I'll ever do to my Roadrunner, a car that means more to me than any inanimate object...
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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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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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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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Shaine D.

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

John, Thanks again so much. You're truly awesome.
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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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Carl E.

Carl E.

Dodge SRT-10 Viper
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Gary H.

Gary H.

John, Thanks a lot !
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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 P.

David P.

Thanks for the brake lines !
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Ricky R.

Ricky R.

1937 Chevy Legends Race Car, 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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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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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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Barbara H.

John, Thanks again for making Colton's dream come true! The truck is in the body shop, the cowl hood arrived and the new 408 engine you built is...
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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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James G.

James G.

5.80 in 1/4 mile @ 244 mph & 3.76 @ 197 in the 1/8 mile
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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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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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Benny C.

Benny C.

Thanks for the Great Mopar Service !
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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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David A.

David A.

Thanks for everything, David
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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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