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SKU: SRLS43082-3 | UPC: 887753822956
FTI Performance 9.5" 4L80E/4L85E Billet Triple Disc Lock-Up Street Racer Series Torque Converter – LS – 3000 Stall
The FTI Performance 9.5" billet triple disc lock-up torque converter for 4L80E/4L85E transmissions in LS-powered vehicles. Featuring a CNC-machined billet front cover, billet lock-up piston, custom stator, and furnace-brazed fins, this Street Racer Series converter delivers a 3000 stall speed, virtually indestructible construction, and significantly improved torque multiplication and lock-up performance.
Key Features
- Billet Triple Disc Lock-Up – Eliminates premature clutch wear and provides strong, smooth lock-up
- CNC-Machined Billet Front Cover & Lock-Up Piston – Precision-machined for maximum strength and durability
- 3000 Stall Speed – Optimized for street/strip performance with LS engines
- Furnace-Brazed & Heli-Welded Fins – Ensures maximum strength and heat dissipation
- Severe-Duty Sprague & Anti-Ballooning Flanged Impeller Hub – Virtually indestructible under high torque and RPM
| Spec | Detail |
|---|---|
| Part Number | SRLS43082-3 |
| Brand | FTI Performance |
| Type | 9.5" Billet Triple Disc Lock-Up Street Racer Series Torque Converter |
| Transmission | GM 4L80E / 4L85E |
| Stall Speed | 3000 RPM |
| Engine | LS Series |
| Country of Origin | United States |
| Warranty | FTI Performance Limited Warranty |
Whats Included
- 1 x FTI Billet Triple Disc Lock-Up Torque Converter (3000 stall)
Product Notes
- Specifically designed for LS-powered vehicles with 4L80E/4L85E transmissions
- Custom-built with billet components for extreme durability and performance
- Ideal for street, strip, or high-horsepower applications
Installation Notes
- Requires professional transmission installation
- Estimated time: Part of full transmission build or swap
- Proper stall speed matching and transmission tuning recommended
This Part Fits
| Year Range | Make | Model | Trim / Engine | Notes |
|---|---|---|---|---|
| Various | GM | Vehicles with 4L80E/4L85E transmission | LS-powered applications | 9.5" billet triple disc lock-up converter – 3000 stall |
Why Choose FTI Performance Torque Converters?
- #1 choice for high-performance billet torque converters
- Built & tested in the United States
- Chosen by LS enthusiasts for bulletproof durability, strong lock-up, and optimized stall speeds
Frequently Asked Questions
-
Q: Does this converter fit my 4L80E transmission with an LS engine?
A: Yes – designed for GM 4L80E/4L85E transmissions behind LS engines. -
Q: What stall speed is this converter?
A: 3000 RPM stall – optimized for street/strip performance. -
Q: Is it a triple disc lock-up converter?
A: Yes – billet triple disc design for superior lock-up strength and durability.
Shipping & Handling
- Method: Ground UPS or FedEx (oversize fees may apply)
- Availability: In stock – ships same or next business day
- Packaging: Official FTI Performance retail box
FTI Performance
FTI Performance is one of the most respected names in high-performance automatic transmission and torque converter engineering, building its reputation on drag strips and road courses where the mechanical demands on automatic transmissions exceed what factory and generic aftermarket components can reliably handle. Founded on the principle of delivering race-proven driveline components with exceptional customer service, FTI has earned the trust of professional drag racers, Pro-Mod competitors, and street performance builders who need converters and transmissions engineered for specific power levels and vehicle applications rather than generic one-size-fits-all solutions. In 2019 FTI was acquired by NHRA Funny Car driver Paul Lee, bringing fresh investment into the brand's engineering and manufacturing capacity while maintaining the founder's commitment to quality and technical support. FTI's product range covers everything from mild street performance converters for 400 to 600 horsep...
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