Standard The use of this camshaft in earlier engines requires (12) 103 050 10 33 rocker arms (1) 103 158 08 40 ignition rotor adapter and (1) 104 990 05 22 mounting bolt. - Standard The use of this camshaft in earlier engines requires (12) 103 050 10 33 rocker arms (1) 103 158 08 40 ignition rotor adapter and (1) 104 990 05 22 mounting bolt. In addition to the above listed parts, engines up to 103.983-10-005187 also require (1) 103 052 06 01 camshaft gear and (3) 103 990 00 22 bolt. - Standard The use of this camshaft in earlier engines requires (12) 103 050 10 33 rocker arms (1) 103 158 08 40 ignition rotor adapter and (1) 104 990 05 22 mounting bolt. In addition to the above listed parts, engines up to 103.983-10-005187 also require (1) 103 052 06 01 camshaft gear and (3) 103 990 00 22 bolts. - Standard The use of this camshaft in earlier engines requires (12) 103 050 10 33 rocker arms (1) 103 158 08 40 ignition rotor adapter and (1) 104 990 05 22 mounting bolt. In addition to the above listed parts, engines up to 103.983-12-029830 also require (1) 103 052 06 01 camshaft gear and (3) 103 990 00 22 bolts. - Standard The use of this camshaft in earlier engines requires (12) 103 050 10 33 rocker arms (1) 103 158 08 40 ignition rotor adapter and (1) 104 990 05 22 mounting bolt. In addition to the above listed parts, on engines up to 103.983-10-005187 also require (1) 103 052 06 01 camshaft gear and (3) 103 990 00 22 bolts. -