Product Description
Fits: TH400, 4L80E · 1967-up
A forward/direct steel plate from Alto for TH400 and 4L80E automatic transmissions, covering the 1967-UP range. It measures .060''/1.52mm thick with a 12-tooth spline on the standard 14-tooth base, an outer diameter of 6.275 inches and an inner diameter of 4.585 inches.
Alto's current part number is 031701B, which replaced the earlier 031701A.