Woodruff key, 4x5mm. 1700-2000cc Type 4 engines - Crankshaft small pulley end. 1700-2000cc Type 4 engines - Alternator pulley. T25 CU engine - Crankshaft small pulley end Mk3 Golf AGG, 2E, AAM, ABS,ADY, ADZ 911 1978-1989 - Camshaft gear. 911 (964) 1989-1994 - Camshaft gear. 911 (993) 1994-1998 - Camshaft gear. 924/924S 1976-1988 - Camshaft gear.
