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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:
California Proposition 65 Warning
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