Home of the Tree Killer
EXtreme Automatics is a Cincinnati 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.
Featured products
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700R4 Stage 1 Package Up to 400HP
Regular price $1,895.00 USDRegular priceUnit price per -
TH400 Stage III
Regular price $4,895.00 USDRegular priceUnit price per -
TH400 Stage II
Regular price $3,895.00 USDRegular priceUnit price per -
TH400 Stage 1
Regular price $2,895.00 USDRegular priceUnit price per
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Call Us
Call UsWhether you have a question about a product, want to place an order or looking for advice on what transmission to build, give us a call at 513-898-0553.
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Email Us
Contact UsDon't have time to jump on a call? We understand! Shoot us an email at Sales@ExtremeAutomatics.com.
Billet Valvebodies
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4L80E "Billet 80" Reverse Manual Valve Body
Regular price $749.00 USDRegular priceUnit price per -
400 Tree Killer Transbrake Valve Body 1+2
Regular price $695.00 USDRegular priceUnit price per -
Extreme Automatics Tree Killer Solenoid
Regular price $185.00 USDRegular priceUnit price per -
Griner Transbrake Solenoid Rebuild Service
Regular price $100.00 USDRegular priceUnit price per
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Facebook
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Instagram
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YouTube
Extreme Automatics on YouTubeIf longer form videos is your thing, we can't wait to grow our channel!