CAMSHAFT & TIMING. CRANKSHAFT & BEARINGS. CYLINDER HEAD & VALVES. LUBRICATION. MOUNTS. OIL PAN. OIL PUMP. VARIABLE VALVE TIMING. A8; Camshaft. A8; Crankshaft. A8; Exhaust. A8; From Vin 4D1007501. A8; From Vin 4D1010501. A8; Intake. A8; Intermediate Shaft. A8; Left. A8; Lower. A8; Right. A8; To Vin 4D1007500. A8; To Vin 4D1010500. A8; Upper. EXHAUST; A8; 3.7L; Left Bank. EXHAUST; A8; 3.7L; Right Bank. EXHAUST; A8; 4.2L; Left Bank. EXHAUST; A8; 4.2L; Right Bank. INTAKE; A8; 3.7L; Left Bank. INTAKE; A8; 3.7L; Right Bank. INTAKE; A8; 4.2L; Left Bank. INTAKE; A8; 4.2L; Right Bank.