Rocker Arms, Valves & Valve Springs
ROCKER ARMRocker Arm Diameter 19.959 - 19.976 mm (0.786 - 0.787 in.)
VALVES
Valve Length,
Intake Valve 112.45 mm (4.427 in.)
Exhaust Valve 111.45 mm (4.388 in.)
Valve Stem Diameter 8.0 mm (0.315 in.)
Valve Head Diameter,
Intake Valve 45.3 mm (1.783 in.)
Exhaust valve 36.5 mm (1.516 in.)
Valve Face Angle 45°
Valve Face Width,
Intake Valve 1.45 - 2.21 mm (0.057 - 0.087 in.)
Exhaust Valve 1.6 - 2.64 mm (0.063 - 0.104 in.)
Valve Margin,
Intake Valve 1.50 mm (0.059 in.)
Exhaust Valve 1.70 mm (0.067 in.)
VALVE SPRINGS
Free Length 48.5 mm (1.909 in.)
Spring Tension
Valve Closed 337 n @ 40 mm (76 lb. @ 1.575 in.)
Valve Open 691 n @ 31 mm (155 lb. @ 1.220 in.)