SCS Professional Series Quick Change Gear Set #9 HX02521 1959-1959 GMC FM340

1959-1959 GMC FM340

480 in Knurl

On 6L80 & 6L90 Transmissions the Top Port is the Outlet & Bottom Port is the Return

ankles and calves aids overall circulation and blood flow to the legs

1983-1994 Chevrolet S10 Blazer CID 400 GAS RWD

SCS Professional Series Quick Change Gear Set #9 HX02521 1959-1959 GMC FM340SCS Professional Series Quick Change Gears are made from aircraft steel for maximum strength. Each gear has a shaved finish to minimize backlash and run out, and is broached for proper 10 spline shaft fit. The SCS Extra 5 step heat treating process yields maximum gear life for high stress applications such as big block Oswego Super Modifieds and World of Outlaws Sprint Cars. Gears have a black oxide finish, and the faces have been lightened to reduce