SERVICEABLE REPLACEMENT FOR THE NOW NLA V8 FIRST GEAR. 30 TEETH. THIS WAS INTRODUCED BY THE FACTORY AS AN IMPROVEMENT AS IT REDUCED THE LOAD ON FIRST GEAR , HAVING 30 STRONGER TEETH INSTEAD OF THE ORIGINAL 31 TEETH. DIRECT REPLACEMENT (THIS WAS DONE AT THE SAME TIME AS OVERDRIVE WAS REMOVED FROM 3RD GEAR)