The FTI Economy Lock-Up Street Racer torque converter for 700R4/4L60 (early) applications is a 9.5-inch 30-spline unit tuned to a 2800 rpm stall and rated to 450 HP. It targets drivers who want a lower stall for quicker off-the-line response while retaining dependable lock-up. As an Economy-series product, it balances durability and cost for street-oriented vehicles.
FTI 9.5in 700R4/4L60(Early) Economy Lock-Up Street Racer Series - 30 Spline - 2800 Stall