FTI Performance SB3000LS Street Brawler 3000 Stall Torque Converter - 4L60E / 4L65E / 4L70E

FTI Performance SB3000LS Street Brawler Series Torque Converter

3000 RPM Stall | 11" | 4L60E / 4L65E / 4L70E | Lock-Up

The FTI Performance SB3000LS Street Brawler Torque Converter is engineered for street and street/strip GM applications that need a higher stall speed to better match naturally aspirated performance engines. With an 11-inch diameter and a 3000 RPM stall, this converter allows faster access to the engine’s powerband while retaining reliable street manners.

Designed for 1998-newer GM 4L60E, 4L65E, and 4L70E automatic transmissions, the Street Brawler Series is rated for up to 450 horsepower and built for weekend warriors who want improved launch performance without sacrificing durability. Each converter is furnace brazed, precision balanced, and equipped with an anti-ballooning flanged hub for dependable operation in demanding street/strip environments.

Torque Converter Highlights

• 3000 RPM Stall Speed – Ideal for street/strip N/A engine combinations

• Street Brawler Series – Performance-focused street converter

• Lock-Up Compatible – Retains drivability and cruising efficiency

• Rated to 450 HP – Supports mild to moderate performance builds

• Furnace Brazed Construction – Added strength and durability

• Precision Balanced – Smooth operation throughout RPM range

• Anti-Ballooning Flanged Hub – Increased reliability under load

Technical Specifications

• Diameter: 11 in

• Stall Speed: 3000 RPM

• Crank Pilot Diameter: 1.703 in

• Bolt Circle: 11.062 in

• Input Spline Count: 30 spline

• Lock-Up Compatible: Yes

• Furnace Brazed: Yes

• Balanced: Yes

• Anti-Ballooning Hub: Yes

• Mounting Hardware Included: No

Torque Converter Use

• Application: Street / Strip

• Engine Type: Naturally Aspirated (N/A)

• Quantity: Sold Individually

• Configuration: Stall calibrated for N/A street/strip applications

Available Stall Speed Options

• SB2600LS – 2600 RPM

• SB2800LS – 2800 RPM

• SB3000LS – 3000 RPM (this listing)

• SB3200LS – 3200 RPM

Vehicle & Transmission Fitment

Transmission Compatibility:

• 1998–Newer GM 4L60E

• 1998–Newer GM 4L65E

• 1998–Newer GM 4L70E

Common Applications Include:

• GM cars and trucks with LS-based or small-block engines

• Street and street/strip performance builds

Warranty & Notes

• Warranty: 90-Day Limited Warranty

• Maximum Power Rating: 450 HP

• Professional installation recommended

Why Choose FTI Performance?

FTI Performance torque converters are developed using real-world racing experience and proven engineering. The Street Brawler Series delivers a balanced combination of higher stall performance, smooth street operation, and long-term reliability for GM automatic transmissions.