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
Custom Stator
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