Drivetrain Automatic Transmissions and Components

FTI Performance

Street Racer Lock-Up Series 9.5-Inch Torque Converter

$1,099.00

SKU: SRLS4XXX

In Stock
In Stock
Ships by Aug 29
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The FTI Performance Street Racer Lock-Up Series Torque Converter is a 9.5-inch billet converter designed for GM 4L80E and 4L85E transmissions when paired with LS engine dished flexplates. It is rated for up to 1000 horsepower and features furnace brazed construction with an anti-ballooning flanged hub. This converter is lockup compatible and balanced for performance.
Show original supplier description
The FTI Performance Street Racer Lock-Up Series Torque Converter is a high-performance upgrade for GM 4L80E and 4L85E transmissions utilizing LS engine dished flexplates. This 9.5-inch billet converter is engineered to handle up to 1000 horsepower, making it suitable for demanding street, drag racing, and boosted applications. Constructed from billet material, the SRLS4 series features furnace brazed construction and an anti-ballooning flanged hub for enhanced durability. It is lockup compatible and balanced for optimal performance and reliability. The converter is available in single or triple clutch lock-up configurations, allowing customization for specific performance needs. Key specifications include compatibility with LS engine dished flexplates and a 3-year warranty. The torque converter also features custom stator designs and multiple blade angle pumps, with available stall speeds ranging from 2,800 to 4,400 RPM, depending on the selected configuration. Mounting hardware is included with the purchase.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandFTI Performance
Part NumberSRLS4XXX
CategoryDrivetrain

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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