FTI Performance · New
FTI 9.5in GM Street Racer Series Converters Sprague Type - 3800 Stall
MPN SR6391 · Store SKU ftiSR6391
Supplier stock checked 11/7/2026, 4:21:57 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
If you use your ride as both a daily driver and weekend racer, you'll want the strength and reliability of FTI Performance SR Series torque converters. They're engineered entirely in-house at FTI and built to handle above-average power. These units feature TIG-welded furnace-brazed fins, a heavy-duty race sprag, and a hardened steel impellor. SR Series non-lockup converters include Triple Torrington bearings and a billet front cover for extra toughness. Each completed torque converter is pressure-checked and computer-balanced to ensure quality. Order the parameters desired and the model recommended for your transmission application. 9.5IN TH350/TH400 GM Billet Street Racer Series Torque Converter - 3800 Stall 9.5IN TH350/TH400 GM Street Racer Series Converter - 3800 Stall
Manufacturer fitment & guides
Check SR6391 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
