Shop now for Mainshafts, Mainshaft Gears, and Input Shafts specific to 1968-1972 Chevy & GMC 4x2 and 4x4 Trucks with SM465/CH465 4 Speed Manual Transmissions. In stock. Quick shipping.
GM SM465/CH465 4 speed manual transmissions in 4x4 trucks all used a 10 spline mainshaft (rear output shaft) through 1980.








