Circle D 4L65E HP Converter

Quality high-performance converter for the GM 4L65E four-speed automatic transmission. This Circle D component provides custom stall speed specifically for the 4L65E variant used in 2001-2006 Chevrolet and GMC vehicles. The 4L65E is a strengthened member of the 4L60E family with upgraded internals for higher torque applications including the 5.3L V8 engine platform.

Direct fitment for Trailblazer, Envoy, Tahoe, Yukon and other GM vehicles equipped with the 4L65E. While sharing the 4L60E architecture, the 4L65E uses specific upgraded components that must be matched correctly during rebuilds. Circle D quality ensures proper fitment and reliable performance.