The FTI Street Brawler 11-inch torque converter for 4R70/AODE transmissions comes with an 11 3/8-inch bolt circle and a 2800 rpm stall to boost off-the-line response and midrange pull for street-focused builds. It’s part of the Street Brawler line that prioritizes stronger engagement for weekend use. FTI rates this converter to 450 HP maximum, balancing usability and durability.
FTI 11in 4R70/AODE Street Brawler Series - 11 3/8in BC - 2800 Stall