Boss Hog LS 6L80E Night Stalker Series Lock-Up Torque Converter; 35-Spline; 1600-2200 RPM Stall (09-14 Yukon w/ 6-Speed Transmission)Find parts that fit my vehicle

High-Performance Torque Converter. The Boss Hog LS 6L80E Night Stalker Series Lock-Up Torque Converter features a 35-spline input shaft and a stall range of approximately 1,600 to 2,200 RPM. It is engineered to provide enhanced torque conversion for GM LS engine applications equipped with 6L80E or 6L90E gas transmissions, improving drivability and cooling through advanced internal components and a wider stall range. This converter ensures reliable power transfer and durability under demanding driving conditions.

Robust Materials and Engineering. Built with a factory 12.5-inch core and 12.125-inch bolt circle, it includes a hardened chrome moly impeller hub, a heavy-duty modified 36-spline stator, Torrington style incased bearings, and an oversized extreme duty lock-up liner for increased longevity and heat resistance. The unit is leak and pressure tested, digitally balanced, and assembled with four-corner tack welded fins or furnace brazed construction to ensure structural integrity.

Professional Installation Required. Moderate mechanical skill is needed to install this torque converter. It fits factory bolt patterns and pilot specifications without requiring drilling. Use proper torque settings and apply a thread locker such as blue Loctite to secure fasteners reliably.

Application. Designed for GM Chevy LS applications equipped with 6L80E and 6L90E gas transmissions, this torque converter is compatible with a range of models, including but not limited to 2009–2014 Yukon with 6-speed transmissions, ensuring broad and precise fitment for optimal performance.

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