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Customers

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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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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Toby W.

John, Thanks again so much. You're truly awesome.
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Taylor M.

Taylor M.

Thanks a lot John !
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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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Bob F.

Bob F.

Plymouth 426 Hemi
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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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Jim W.

Jim W.

Thanks for the fast parts service and Great cylinder head porting! Jim
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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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Clay B.

Clay B.

Thanks for everything !
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Ian A.

Ian A.

I wanted to thank you for all your help and support, for being so patient and for being a good, honest person and especially so professional....
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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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Hannu O.

Hannu O.

thank you very much from Finland!
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Harold R.

John, Thanks for the great customer service! Harold
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Phil S.

Phil S.

Great job creating this Dakota R/T Ground Affects Kit. Phil
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Dan B.

Dan B.

Dakota R/T 408, Thanks for everything! Dan https://www.youtube.com/watch?v=wZekmXKYXA4
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Craig W.

Craig W.

Thanks John, So far 8 races and 8 top Five!!
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Matt C.

Thanks again John, someone who’s willing to help and not just sell parts. So, looks like you’ll be listed on my referrals. Keep in touch. Thanks...
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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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Maurice

Maurice

Maurice 73 Dodge Dart
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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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Troy K.

Troy K.

Thanks for all your great help with my Viper.
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Michael W.

Michael W.

After getting all the compatible stuff shes a beast! Michael
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Gary H.

Gary H.

John, Thanks a lot !
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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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Transmission Specialties

Our Most POPULAR
THE PATENTED "SPRAGLESS"
8" RACING CONVERTER
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Our "SPRAGLESS" Design FOR HIGHER H.P.
THE PATENTED "SPRAGLESS"
SUPER 8 RACING CONVERTER
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  • No Sprag to Slip or Fall. . . the Cause of Most Converter Failure
  • Billet Steel Turbine Hub
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  • Free Stall Adjustment within 90 Days

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THE PATENTED "SPRAGLESS"
10" RACING
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  • Patented Spragless
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    No Sprag To Fail
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  • Models Available for
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