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Upgraded Version Atf Stage Iii A340e-a341e Built Toyota Auto Transmission Highly Recommended [f36C7i2b]

$139.99 $447.99 -69%

ATF Stage III Auto Transmission for Toyota SuprasThe Upgraded Version Atf Stage Iii A340e-a341e Built Toyota Auto Transmission Highly Recommended [f36C7i2b] is a top-tier upgrade designed for high-performance Toyota Supras. This transmission has been rigorously tested in full-weight Supras, achie

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Upgraded Version Atf Stage Iii A340e-a341e Built Toyota Auto Transmission Highly Recommended [f36C7i2b]

ATF Stage III Auto Transmission for Toyota Supras

The Upgraded Version Atf Stage Iii A340e-a341e Built Toyota Auto Transmission Highly Recommended [f36C7i2b] is a top-tier upgrade designed for high-performance Toyota Supras. This transmission has been rigorously tested in full-weight Supras, achieving impressive 8'' second passes in the Quarter Mile. The Stage III upgrade is tailored for those seeking maximum performance and reliability, ensuring your Supra can handle the demands of high-horsepower applications.
  • Custom Calibrated & Dyno Tested Valve Body
  • Heavy Duty 2nd Gear Sprag Assembly
The Stage III transmission features a custom-calibrated and dyno-tested valve body for optimal performance and efficiency. The heavy-duty 2nd gear sprag assembly is designed to handle the increased torque and power output of high-performance engines, providing smooth and reliable shifts.

Advanced Features and Specifications

This transmission is equipped with a range of advanced features and specifications that set it apart from standard auto transmissions. Key highlights include:
  • Billet Accumulator Pistons
  • Billet Forward 7075 Aluminum Piston
The ATF Billet Accumulator Pistons and Billet Forward 7075 Aluminum Piston are designed to withstand the extreme conditions of high-performance driving. These components contribute to the transmission's durability and efficiency, ensuring long-lasting performance.

Practical Uses and Additional Options

The Stage III A340E-A341E Built Toyota Auto Transmission is ideal for drivers looking to enhance their Supra's performance on the track or the street. To further customize your setup, consider adding the ATF Billet Custom single disc lock up clutch torque converter. This option includes a Billet front cover, torrington bearings, and fully furnace brazed & tig welded fins with sprag, providing faster ETs for Toyota Supra, Lexus SC300, and Aristo models.
  • New Steels
  • New Bushings & Seals
The transmission also comes with new steels, bushings, and seals, ensuring a seamless and reliable performance. Additionally, customers using the AEM Version 2 ECU must send the engine/transmission tune to ATF for modification to prevent immediate failure to the transmission. For added convenience, freight charges are not included in the price and will be added separately.

What Our Customers Say

January 17, 2026

Absolutely no complaints!

I am very, very, very, very pleased with this item.

- Mairwen Q..

January 17, 2026

Absolutely no complaints!

It's a great tool. I really, really, really do love it.

- Rheinallt O..

January 17, 2026

Absolutely no complaints!

A great gadget that is well worth all of its money.

- Branwen Q..

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