XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)
Valve stem height...............................................................................................................................................................................................48.4 ± 0.5 mm
Maximum machining of the valve stem.........................................................................................................................................................................0.5 mm
Valve Seats
Upper reduction angle (A)
Inlet............................................................................................................................................................................................................................20 degree
Exhaust......................................................................................................................................................................................................................15 degree
Matching surface angle (B)
Inlet and exhaust........................................................................................................................................................................................................45 degree
Lower reduction angle (C)
Inlet and exhaust........................................................................................................................................................................................................60 degree
Valve seat, width (a)
Inlet.........................................................................................................................................................................................................................1.4-1.8 mm
Exhaust...................................................................................................................................................................................................................1.8-2.2 mm
Valve Lifters