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Extreme Automatics LLC.
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Install Instructions

EA Instructions

EA 4L80PRO VALVEBODY

EA 400 VB TREE KILLER

2004R ELECTRIC TRANS BRAKE

2004R INSTALL

2004R EXPLODED VIEW

TH700 EXPLODED VIEW

400 EXPLODED VIEW

4L80E EXPLODED VIEW


Griner Instuctions


Griner 34G10.1

Griner 34G15-SN

Griner 34G20 Extreme

Griner 34G25SN Extreme

PowerGlide 28G40 Billet

 

General Instructions

4L80 REFERENCE

GM SUPERMATIC

SPEEDO GEAR REF

ALTO UPDATE 

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Our mission

EXtreme Automatics is a Cincinnati, Ohio based Vanguard business with decades of real world racing experience. We design, manufacture and test our own brand of innovative performance parts for domestic rear-wheel drive automatic transmissions.

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