FTI Performance Street Racer Lock-Up Series Torque Converter | 9.5" | 4L80E / 4L85E | LS Engine

The FTI Performance Street Racer Lock-Up Series Torque Converter is engineered for high-performance street and strip vehicles requiring exceptional durability, lock-up capability, and aggressive launch performance. Featuring a billet 9.5-inch design and rated for up to 1000 horsepower, these converters deliver outstanding reliability and drivability for serious weekend warriors and high-horsepower builds.

Designed specifically for 4L80E and 4L85E transmissions behind LS-engine dished flexplate applications, the Street Racer Series utilizes furnace-brazed construction, anti-ballooning technology, and available single or triple clutch lock-up configurations to handle aggressive street, drag racing, and boosted applications.

Available Stall Speeds | Single Clutch

SRLS43380 – 2800 RPM Stall
SRLS43082 – 3000 RPM Stall
SRLS40082 – 3200 RPM Stall
SRLS40086 – 3600 RPM Stall
SRLS46391 – 3800 RPM Stall
SRLS47082 – 3800 Hard Hit Stall
SRLS48082 – 4000 Hard Hit Stall

Available Stall Speeds | Triple Clutch

SRLS43380-3 – 2800 RPM Stall
SRLS43082-3 – 3000 RPM Stall
SRLS40082-3 – 3200 RPM Stall
SRLS40086-3 – 3600 RPM Stall
SRLS46391-3 – 3800 RPM Stall
SRLS47082-3 – 3800 Hard Hit Stall
SRLS48082-3 – 4000 Hard Hit Stall

Key Features

Rated for up to 1000 horsepower
Fits 4L80E and 4L85E transmissions
Designed for LS engine dished flexplate applications
Billet 9.5-inch converter design
Available in single or triple clutch lock-up configurations
Furnace brazed construction
Anti-ballooning flanged hub
Lockup compatible
Balanced assembly
Excellent for high-horsepower street, drag racing, and boosted applications

Specifications

Converter Diameter	9.5"
Horsepower Rating	1000 HP
Input Spline	35 Spline
Crank Pilot Diameter	1.703"
Bolt Circle	10.75", 11.5", 11.062"
Lockup Compatible	Yes
Balanced	Yes
Mounting Hardware Included	Yes