SUITABLE FOR EARLIER C RANGE UNIT MODELS FROM 1958 TO 1967. -- FOR 3TA 5TA T90 T21 T100, T100C etc. PART NUMBER OF THIS STUD IS -- 70-3820 (T). 3/8" BSF 20tpi THREAD ON THE LOWER END (CRANKCASE) AND 3/8" UNF 24 tpi ON THE UPPER, LENGTH APPROX 1-9/16" TO TAKE THE LATER MORE EASILY EMPLOYED 12 POINT NUT.
