2004-Up 4L60E Transmission Performance Rebuild Kit with 3-4 PowerPack® Alto HEG
(1) Set Alto HEG High Energy Graphitic Frictions. Pro-Series bands are the perfect upgrade for heavy duty, towing and high performance rebuilds. (1) Alto 3-piece Bonded Piston Set. Alto 057670B 3-piece Bonded Piston Set.