
8HP45/50/51 Builds and Products
The smallest body 8hp in its stock version is not capable of much, but after any of the ATS stage upgrades you will be ready to take on whatever may come your way. Whether you daily your car, or live at the track or drag strip we have a build for you.
Every unit is completely disassembled, cleaned, and inspected for any worn parts.
Below you will find a chart of the main components that comes in each build along with the clutch counts for each clutch pack.
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Stage 0
This stage is designed for daily drivers or time attack-style vehicles that require a power-capable and reliable transmission, but don't need to launch aggressively or push the limits in second gear. It features upgraded and revised clutch packs, allowing you to maximize the potential of your build without the concern of reliability.
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Stage 1
Ready for both the streets and the drag strip on the weekends, this stage is designed to handle aggressive launches and hard acceleration while maintaining smooth shifting and reliability. It's the ideal build for stock motor cars looking to push their limits without compromising performance.
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Stage 2
Do you have a built motor and ready to push the limits of your setup, this stage has you covered. It maintains smooth, stock-like shifts while ensuring your transmission can handle nearly anything you throw at it.
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Stage 3
The strongest build for the cars ready to try and set records but ensure your transmission is going to stay strong throughout the race season.
Build Breakdown
STAGE 0 BUILD - 900whp/700wtq - $3,800
Complete disassembly and cleaning
Enhanced clutch fibers
Enlarged clutch counts
ATS steels and plates
Seals and gaskets
Pan/filter
STAGE 1 BUILD - 1000whp/800wtq - $5,300
Complete disassembly and cleaning
ATS billet E hub
High performance C and E fibers
Enhanced A, B, and D clutch fibers
Enlarged clutch counts
ATS steels and plates
Seals and gaskets
Pan/filter
STAGE 2 BUILD - 1200whp/1000wtq - $7,000
Complete disassembly and cleaning
ATS billet E hub
ATS billet C hub
Modified C piston
High performance C and E fibers
High Performance D fibers
Enhanced A and B clutch fibers
Enlarged clutch counts
ATS D clutch snap ring
ATS steels and plates
Seals and gaskets
Pan/filter
STAGE 3 BUILD - 1300+whp/1100+wtq - $12,000
Complete disassembly and cleaning
ATS billet E hub
ATS billet C hub
ATS Billet D piston
ATS Billet E piston
ATS 300m C collar
ATS Billet D Drum
Modified performance p4 sun gear basket
Modified performance p4 carrier basket
Modified C piston
ATS valve body upgrade
High performance C and E fibers
High Performance D fibers
Enhanced A and B clutch fibers
Enlarged clutch counts
ATS D clutch snap ring
ATS steels and plates
Seals and gaskets
Pan/filter
Additional Options
ATS Billet Main Shaft - $1700
ATS Billet Performance Pump - $600
Billet High Stall Torque Converter - Stall speeds available from 2800 to 4400 - $1900
Transfer Case Build - $2200
Transfer Case Build - $2300
ATC35/ATC45/ATC13
All ratings are wheel horsepower and wheel torque and are based off our testing. They are not guaranteed and will vary depending on abuse, lack of care, and maintenance. Stage 0 is meant for street car applications due to the fact it retains your stock cast E hub and can break during abrasive driving in 2nd gear.
Round trip shipping is $800 anywhere inside the continental US.
If you are not sure about what model 8hp transmission your vehicle has check here
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