36 spline input shaft, Replaces Part Numbers for: 700-039 74-0610 14410 Specially formulated transmission grease-Provides superior lubrication and performance Die cast aluminum housing- Offers outstanding heat dissipation and durability, Oil-impregnated bushings, With needle bearings on input shaft Neutral start capability, allows the installation of a switch to sense if unit is in gear or in neutral Heat-treated gears process ensures maximum durability