FTI Performance SB2600LS Street Brawler 2600 Stall Torque Converter - 4L60E / 4L65E / 4L70E

FTI Performance SB2600LS Street Brawler Series Torque Converter

2600 RPM Stall | 11" | 4L60E / 4L65E / 4L70E | Lock-Up

The FTI Performance SB2600LS Street Brawler Torque Converter is designed for performance-oriented street builds that require improved throttle response and launch characteristics without sacrificing everyday drivability. Featuring an 11-inch diameter and a 2600 RPM stall speed, this converter is ideal for lightly modified and naturally aspirated LS and small-block combinations.

Built for 1998-newer GM 4L60E, 4L65E, and 4L70E automatic transmissions, the Street Brawler Series is rated for up to 450 horsepower and engineered for weekend warriors who want dependable performance gains. Each converter is furnace brazed, precision balanced, and equipped with an anti-ballooning flanged hub to ensure durability under aggressive street use.

Torque Converter Highlights

• 2600 RPM Stall Speed – Improved launch and drivability over stock

• Street Brawler Series – Optimized for street performance

• Lock-Up Compatible – Retains cruising efficiency

• Rated to 450 HP – Ideal for mild to moderate builds

• Furnace Brazed Construction – Enhanced strength and reliability

• Precision Balanced – Smooth operation across RPM range

• Anti-Ballooning Flanged Hub – Increased durability under load

Technical Specifications

• Diameter: 11 in

• Stall Speed: 2600 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

Available Stall Speed Options

• SB2600LS – 2600 RPM (this listing)

• SB2800LS – 2800 RPM

• SB3000LS – 3000 RPM

• SB3200LS – 3200 RPM

Vehicle & Transmission Fitment

Transmission Compatibility:

• 1998–Newer GM 4L60E

• 1998–Newer GM 4L65E

• 1998–Newer GM 4L70E

Typical Applications Include:

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

• Performance street builds and daily drivers

Warranty & Notes

• Warranty: 90-Day Limited Warranty

• Maximum Power Rating: 450 HP

• Recommended Use: Performance street

• Professional installation recommended

Why Choose FTI Performance?

FTI Performance torque converters are engineered using real-world racing experience and proven design principles. The Street Brawler Series delivers a perfect balance of street manners, improved launch performance, and long-term reliability for GM automatic transmissions.