700R4 & 4L60E Automatic transmissions specialists - ProBuilt
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1. Technical Video 700R4 DVD 1982-1993
2. ATSG rebuild book TH350
3. 700R4 Corvette Servo w/seals
4. 700R4 Rebuild Kit-Pro Street 1988-1993
5. 700R4/4L60E - Precision Industries "Vigilante" 9.5" Lockup

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Pro-Built Automatics

Pro-Built Automatics

700R4 & 4L60E Transmission Specialists

Or if you like you can also contact us via email using the form below.

934 5th Street , Calimesa CA 92320
Attn: Dana - 909-795-1876


700R4 & 4L60E Transmission Specialists

If you are interested in building your own Performance transmission, then you have come to the right place. We offer rebuild kits, that give "smooth" part throttle up shifts, firm wide open throttle shifts, and with quicker downshifts.

With over 29 years of experience in Performance transmission building. We have found many solutions to making a Performance transmission do the job correctly for your particular application.

Helping you to make these units hold up (700R4 & 4L60E transmissions), to over 750HP, is what we do very well. With the technical information that we can provide, DVD/VHS videos, ATSG build books, tools for building 700R4/4L60E's, you can build a Heavy Duty or Performance transmission yourself, or with the help of a competent builder.

700R4 & 4L60E Rebuild Kits

 The rebuild kits that we offer come with  everything that is needed (& with the latest upgrades) to do the job correctly for your application.

 To get the best results, we highly recommend the Edge or Vigilante, 9.5" torque converters for the 700R4 & 4L60E transmissions, both in terms of performance & longevity.

We also offer the ATSG build books for each transmission rebuild kit, as well as the DVD/VHS videos for most units.

ATSG build BooksThis is the ATSG rebuild book needed to build the following transmissions.

We have been concentrating on the problems of 700R4 & 4L60E, and have come up with some "solid" solutions. When installing the following products

  • Modified version of Trans-Go's Performance Shift kit, offers smooth part throttle & firm WOT shifts
  • Trans-Go's steel front pump rings & matching priming spring for engines going to 5,500rpm & 7,800rpm
  • Trans-Go's high rate forward & 3-4 clutch return springs to prevent centrifugal apply (up to 7,800rpm) that burns 3-4 clutches.
  • 9 Borg Warner Hi-Energy 3-4 clutches (good to 800FWHP)
  • Borg Warner Hi-Energy 2-4 band (good to 800FWHP)
  • Alto Carbon lined extra wide 2-4 band (use when over 800FWHP)
  • GM's heat treated or Beast sunshell
  • HD Steel sleeve for reinforcing the input drum
  • Corvette servo (good to 750FWHP)
  • Sonnax 2nd gear apply servo (use when over 750FWHP) 
  • Trans-Go's vacuum modulator (4L60E)
  • Vigilante 9.5" lockup torque converter
  • Sonnax pinless accumulator for 2nd & 4th with matching spring
  • Sonnax pinless forward accumulator for the 4L60E

Featured products
700R4 Rebuild Kit-Street/Strip 1988-1993
Part Number: 700-2
700R4 Rebuild Kit-Street/Strip 1988-1993
See details

Price: $486.34
700R4 Street/Strip Transmission
Part Number: Street/Strip 700R41
700R4 Street/Strip Transmission
See details

Price: $1,635.00
Mopar A500 Rebuild Kit Heavy Duty 1988 & Up
Part Number: 500-1 88 & up
Mopar A500 Rebuild Kit Heavy Duty 1988 & Up
See details

Price: $372.30
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