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Craigs Automatic Transmissions

@craigsautomatics

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🔥 6L80 / 6L90 PERFORMANCE BUILDS 🔥

From standard rebuilds right through to 1000HP capable setups. We build these transmissions to handle serious power. 💪

Our performance packages can include:
✔️ Billet intermediate shafts
✔️ Billet pistons
✔️ Billet planetary gearsets
✔️ Extra frictions & clutch capacity upgrades
✔️ Pump modifications for improved oil flow & reliability
✔️ Valve body upgrades for sharper, more consistent shifts
✔️ Ultrasonic cleaned TCMs
✔️ Bench tuned & tested before installation
✔️ After-sales tuning support

Whether it’s a tough street car or full race application; we can tailor a 6L80/90 build to suit your power goals and driving style. 🔧

Built tough. Tuned right. Backed with support. 👌

#6L80 #6L90 #TransmissionBuild #PerformanceTransmission #BuiltTransmission #1000HP #BilletInternals #BilletBuild #TransmissionSpecialist #TransmissionShop #PerformanceCars #StreetCar #RaceCar #TowRig #Horsepower #TurboBuild #LSBuild #Holden #Chev #GMPerformance #TransmissionTuning #craigsautomatics by @craigsautomatics

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5 months ago

This big rig came in for some tender transmission love because when you’re towing hard and working even harder, stock simply doesn’t always cut it.

Here’s what we sorted:
🥶 Cooler bypass valve upgrade which keeps temps down where they belong
💪 Billet valve body and stage 1 shift kit for nice, firm shifts and way more reliability
😎 Deep sump pan giving extra capacity + better cooling
🤘 Metal screw-in filter, there are no shortcuts here
🔧 Followed by a full transmission service to tie it all together

The end result?
Cooler temps, cleaner shifts, and a gearbox ready for whatever this truck gets hooked up to 💪

Whether it’s towing, touring or putting in the daily grind, this 2500 is now set up properly.

📞 Send us a message if your rig needs the same treatment.

#Ram2500 #BuiltForWork #TransmissionSpecialists #TowReady #4x4Life #WorkshopLife by @craigsautomatics

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8 months ago

TH350 out and TH400 in 🔥 – Holden Torana

This tough Holden Torana just rolled out with a full TH400 conversion by the team at Craig’s Automatics 💪
Built to handle serious power, this setup delivers:

✔️ Billet reverse pattern transbraked valve body
✔️ firm, clean shifts
✔️ Perfect for street & strip
✔️ Built for high-horsepower applications

📍 Conversion completed in-house by Craig’s Automatics
📞 Book yours today

#CraigsAutomatics #TH400 #Torana #Holden #BuiltNotBought #StreetMachine #DragCar #PerformanceTransmission by @craigsautomatics

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8 months ago

by @craigsautomatics

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8 months ago

🌲 CHRISTMAS CLOSURE 🌲

Our last day of trade is Thursday 18th December 2025!

We will be closed for the Christmas break from Friday 19th December, and reopen Monday the 5th January 2026!

We would like to take this opportunity to thank everyone for yet another awesome year!

Merry Christmas and Happy New Year!

As always our Allison Division is contactable 24/7 over this time. For anything ALLISON related please contact Rob on 0448 111 168

See you in 2026! by @craigsautomatics

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10 months ago

by @craigsautomatics

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a year ago

🚗 WE’RE HIRING 🚗

🔧 AUTOMATIC TRANSMISSION SPECIALIST 🔧

Email your resume to: info@craigsautos.com.au
OR give us a call for a chat on 02 9755 1158. #craigsautos #craigsautomatics #craigsautosracing #hiring #automatictransmission #autospecialists #job #jobopportunity #racing #performancetransmission #transmission #performancetransmissions taken in Chipping Norton, New South Wales, Australia by @craigsautomatics

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a year ago

Friday special. 1000hp 6l90 all finished up with billet planetary all machined and built in house. Sonnax billet intermediate shaft with some other goodies. Also had 2500rpm converter to go with it. This combo has proven to go deep into the 9 second zone with a full weight car. #6L90 #craigsautomatics #billet #sonnax by @craigsautomatics

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2 years ago

🎄Christmas Closure🎄 by @craigsautomatics

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2 years ago

Billet the world for all your 6L80/90 performance builds hit us up

#ls #6l90e #6l90transmission #6L90 #6l90 #6l80transmission #6l80e #6l80 #performancetransmission by @craigsautomatics

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2 years ago

New security system thanks to the team @fort.securitysystems by @craigsautomatics

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2 years ago

Built 6L80 800HP going into an LSA Holden Colorado

#6l80 #colorado #transmission #craigsautomatics #800hp #holden #newyear by @craigsautomatics

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3 years ago