4L60/4L65e/4L70e (late “LS” V-8 transmission) mate to early Gen 1 SB/BB (dual bolt pattern – 10.75″ and 11.5″)
The SuperMatic Torque converters from Chevrolet Performance are designed to provide long life when matched with a SuperMatic Transmission.
Each converter incorporates the following features:
Steel Billet Front Cover
Fully Furnace Brazed Pump and Turbine
All internal components static balanced
Fully vector balanced as an assembly
Designed for Chevrolet Performance crate engines and transmissions