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Welcome to the Griner Extreme Automatics website. Here you will find information about the specific products and services we offer.
Transmissions our driving force. We build and supply parts for the following models.
2004R, TH400, 4L60E, 4L80E, 4L65E Torque Flite 727, 904, 45-48RE
To Purchase any of our products please visit our Web Store www.extremeautomatics.net
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| The "Mac Daddy" TH200-4R built for 1000HP |
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We build Transmissions for the following:
Pro Tree Racers, Hi HP Drag cars, Super Stock, Bracket Racing, Truck Pulling, Monster Trucks, Rock Crawlers, Bahja Trucks, Street Cars, Street and Strip, Hot Rods and just about any application you can imagine. We Build and ship Transmissions Worldwide. We got you covered!!!!
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| The 400 TurboGlide in Action |
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New Product!!!!!!!!! Forward drum for the Turbo 400. The new drum is made of 7075 Aluminum using a 4340 steel hub and Vasco Max input. The best of both worlds light weight of Aluminum and the Strength of 4340 Steel. Call for Details. $595.00 Hytuff Shaft $695.00 Vasco Max Shaft
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THE WAIT IS OVER!!!! Extreme Automatics introducing our own line of Billet 2004R parts. We build the highest quality tier 1 product available for the 2004R. These new parts include the Billet forward drum shaft, Billet OD planet (rebuildable), Billet OD ring gear, Billet Input Shaft, Large Intermediate servo.
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| Click For details |
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| Click For details |
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Good Things are Happening in Mulberry. We are gearing up to offer 6 new Valve Bodies for the Turbo 400 that will take the transmission to a whole new level. Here are some pics of the operation.
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| 86/87 TV Cable |
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| Reproduction 86/87 Turbo Regal detent cable for 2004R. This cable is the correct direct fit replacement for the 86/87 Turbo Buick. Click on Pic for more info.
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