Performance Transmissions

Built. Tested. Warrantied.

High‑Performance Transmission Builds

We build, upgrade, and blueprint transmissions for street, strip, and towing. Specializing in ZF 8HP, GM 6L80/90, Ford 10R80, Dodge 48RE & 68RFE, Allison, and all German & foreign platforms.

Warranty on Every Build Dyno‑verified where applicable Street & Track Proven
Kenny's red Toyota GR Supra

ZF 8HP

8HP45/50/51/55/70/75 — Street to 1,000+ whp setups

GM 6L80/6L90

Street/Track/Tow, billet upgrades, recalibrated TCC

Ford 10R80

Improved clutch durability, refined shift timing

Dodge 48RE

Heavy‑duty builds with auto or manual valve bodies

Dodge 68RFE

Chronic weak points addressed, line pressure control

Allison 1000+

Tow/haul and performance configurations

German & Foreign

BMW, Audi, Porsche, Toyota, Mercedes, etc.

Most Popular

Performance Builds

$6,999.99+

  • All platforms listed above
  • Blueprinted, clearances verified
  • Clutch/steel upgrades where applicable
  • Prices exclude removal/installation & taxes
  • Warranty included on every build
Diesel Favorite

48RE — Auto Valve Body

$12,999

  • Includes removal & installation
  • Enhanced line pressure & durability
  • Heavy‑duty clutches & bands
  • Warranty included
Track / Race

48RE — Manual Valve Body

$14,999

  • Includes removal & installation
  • Manual VB for uncompromised control
  • Upgraded internals for high power
  • Warranty included

A90 Supra — Stage 2 (700 whp)

  • Starting at $10,999 (includes removal & installation)
  • Built 8HP with billet upgrades where applicable
  • Street‑refined shift strategy, track‑ready durability
  • Warranty included

Important Notes

Starting Prices: Performance builds start at $6,999.99. These base prices do not include removal/installation or taxes unless otherwise specified.

Warranty: All builds include a warranty. Terms vary by application and usage; ask for details.

48RE (auto & manual VB) and Supra Stage 2 packages listed above do include removal & installation in the advertised price.

Ready to build?

Tell us your platform, power goals, and how you drive. We’ll spec the right clutch packs, valve body, and calibration for your use case.

423‑423-9829 | 423-621-8919
  • Platform inspection & consultation
  • Transparent estimates before work begins
  • Premium fluids & torque specs to OEM or better
  • Data‑driven calibration recommendations
  • Post‑build support

*All pricing USD. Taxes and shipping extra where applicable. Warranty terms provided in writing with each build.