 
            Chevrolet Performance SuperMatic Torque Converter (2400–2800 RPM Stall - Dual Bolt Pattern 10.75" & 11.5" 4L60/65/70/75-E)
"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 
• Designed for Chevrolet Performance crate engines and automatic transmissions 
• “Heavy-duty” lock-up clutch 
• All internal components static balanced 
• Fully vector balanced as an assembly 
• No external adapters needed to fit Chevrolet Performance crate engines
NOTE: Must use 14-inch (168-tooth) flexplate with SuperMatic™ torque converters unless noted.
2,400–2,800 rpm stall
4L60/65/70/75-E (late “LS” V-8 transmission) mate to early Gen 1 SB/BB (dual bolt pattern – 10.75"" and 11.5"")
 
         
                     
                     
             
            