FTI 9.5in 4L80E/4L85E Billet Lock-Up Street Racer Series - LS - 3600 Stall

The FTI Performance SRL Series billet lockup torque converter is a high-performance component designed for street and racing applications. Featuring a CNC-machined billet front cover and billet lockup piston, it significantly reduces premature clutch wear and enhances durability. Equipped with custom stator designs and multiple blade angle pumps, stalls are adjustable from 2,800 to 4,400 rpm to match specific driving needs. Constructed with furnace-brazed and heli-welded fins, a severe-duty sprague, and an anti-ballooning flanged impeller hub, this converter offers virtually indestructible performance and reliable operation under demanding conditions.

Designed for 4L80E and 4L85E transmissions, this 9.5-inch converter is suitable for vehicles with LS engines and is ideal for street, strip, or performance driving. It is a custom-built upgrade tailored to your exact stall and driving style, providing improved torque transfer and efficiency. Installation is straightforward as a direct bolt-on replacement, and the converter is engineered to withstand severe-duty use. This product is perfect for enthusiasts seeking increased performance and durability in their automatic transmission setup.