

Specifications
- Brand
- FTI Performance
- Part #
- SRLT6391-3-27
- UPC
- 887753824202

FTI 9.5in 700R4/Early 4L60 Triple Disc Lock-Up Street Racer Series - LT - 27 Spline - 3800 Stall
$1554.75
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FTI 9.5in 700R4/Early 4L60 Triple Disc Lock-Up Street Racer Series Torque Converter with a 3800 stall for improved performance.
Key Features
- Fits 1981-1990 Buick LeSabre, 1981-1990 Chevrolet Caprice, 1981-1990 Oldsmobile Custom Cruiser, and many other vehicles.
- Features a computer-designed, CNC-machined billet front cover and billet lockup piston for improved durability.
- Triple disc lock-up design helps reduce premature clutch wear.
- Custom stator designs and multiple blade angle pumps are available for stall speeds from 2,800-4,400 RPM.
- This specific model has a 3800 RPM stall speed.
- Furnace-brazed and heli-welded fins, severe-duty sprague, and anti-ballooning flanged impeller hub contribute to its robust construction.
Product Details
Starting with a computer-designed, CNC-machined billet front cover and a billet lockup piston, this FTI Performance Street Racer Series torque converter is built to handle serious power and reduce premature clutch wear. It's designed for 700R4 and early 4L60 transmissions with a 27-spline input shaft, featuring a 9.5-inch diameter and a 3800 RPM stall speed, making it a solid choice for street/strip applications where improved acceleration is key.
The custom stator designs and multiple blade angle pumps are engineered to provide the specific stall characteristics you need, with options ranging from 2,800 to 4,400 RPM. This particular model, the SRLT6391-3-27, is custom-built to match your vehicle's needs and driving style. The construction includes furnace-brazed and heli-welded fins, a severe-duty sprague, and an anti-ballooning flanged impeller hub, all contributing to a virtually indestructible unit that can withstand demanding use.
This torque converter fits a wide range of vehicles, including models like the Chevrolet Caprice, Buick LeSabre, and Oldsmobile Custom Cruiser from the 1980s and early 1990s. It's a significant upgrade for anyone looking to improve their vehicle's launch characteristics and overall performance. Remember that this part is not CARB approved and cannot be shipped to California.
Specifications
- Brand
- FTI Performance
- Manufacturer Part #
- SRLT6391-3-27
- UPC
- 887753824202
Frequently Asked Questions
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FTI 9.5in 700R4/Early 4L60 Triple Disc Lock-Up Street Racer Series - LT - 27 Spline - 3800 Stall


