Sonnax offers the GM 4L80-E thicker cross section, 6-stud lockup front cover GM-CC-11. The strength of this cover is improved by using a one-piece forging with increased thickness in most areas.
Made from high quality AISI 1026 steel forgings
Increased wall thickness for greater stiffness
Longer lip makes it easier to reuse impeller
One-piece design: no welds to flex, crack or leak

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