This Transmission has been tested in a number of full weight Toyota Supras and 2JZ swapped race cars running in the Mid to High 8 second zone in the Quarter Mile, while still retaining the comforts of being streetable! ATF's Stage 4 A341E transmission easily handles over 1000 RHP and a max of 1300 WHP!INCLUDES• Rated to 1300rwhp• ATF Custom Calibrated & Dyno Tested Valve Body• ATF Custom Heavy Duty 2nd Gear Sprag Assembly• ATF Billet Accumulator Pistons• ATF Billet Forward 2024 Aluminum Piston• ATF Billet Intermediate Piston• ATF Custom Billet Steel Heavy Duty Forward Planetary• ATF Custom Billet Pan Stiffening Ring• Red Material Clutches• New Steels• New Bushings & Seals• New High Flow Filter•Customers must supply ATF with a core to build. ATF does not supply cores for customers.•Customers using the AEM Version 2 ECU will need to send the engine/transmission tune to ATF to be modified and sent back otherwise immediate failure to the transmission can happen if driven. • Valvoline Dextron 6 Full Synthetic is the Recommended transmission fluid ATFSpeed customer Pedro making a handful of 8 Second 1/4 passes during the 2019 FL2K event!Pedro explaining how to shift the Stage 4 A341E transmission for maximum longevity!
