Porsche 911 Synchro Gear Teeth (1st ’72-’76, Symmetrical Teeth, 2 Slots in Hub)

Synchro Gear Teeth, 1st Gear 911 ’72-’76, 912E ’76 – Symmetrical Tooth Point, Two Slots in Hub (Original style, not for use with assymetrical shift sleeve) These synchro hubs or “dog rings” feature our exclusive differential heat-treatment process which produces very hard and wear resistant engagement teeth with somewhat softer internal splines to help protect and extend the life of your expensive free gear nose. Manufactured by us right here in Colorado from only the finest domestically produced alloy steel.