Four Tooth Dog Gear (am-3568)
The dog gear has 4 dogs on each face. This allows more material around the dog gear screw, increasing strength over previous designs. A robust 1/8" diameter shoulder screw replaces the previously used #4-40 screw. The dog gear material is AMPCO® 18 Bronze. This material has similar properties to stainless steel (previously used), but has added lubricity for smooth shifting.