TCI 4L60E/700-R4 Beast Sunshell ' 82-later HYPLMED11M61FIA Chevrolet: P20 Series 60 -

Chevrolet: P20 Series 60 - 61 5

4-Cylinder

1996-2015 Toyota Tacoma

1964-1983 Oldsmobile 98

1957-1960 Ford Custom 300

TCI 4L60E/700-R4 Beast Sunshell ' 82-later HYPLMED11M61FIA Chevrolet: P20 Series 60 -700R4 4L60E SmartShell Assembly.. This 700R4 4L60E Sunshell assembly is made from Vaccu Melt 300 Steel to handle far higher stress than stock replacement units. TCI Hardened Input Shafts are constructed from hardened, aircraft quality Vaccu Melt 300 billet steel or Vasco 300 high strength steel. They feature increased lubrication flow and strength with a resized diameter that provides optimum stress distribution along the entire length of shaft along