Valve, Intake/Exhaust

Valves
Face Angle - Intake and Exhaust 44.5 - 45°
Head Diameter
-Intake 34.67 - 34.93 mm (1.364 - 1.375 inch)
Head Diameter
-Exhaust 28.32 - 28.52 mm (1.114 - 1.122 inch)
Valve Length (Overall)
-Intake 112.76 - 113.32 mm (4.439 - 4.461 inch)
-Exhaust 110.89 - 111.69 mm (4.365 - 4.397 inch)
Valve Stem Diameter
-Intake 5.934 - 5.952 mm (0.2337 - 0.2344 inch)
-Exhaust 5.906 - 5.924 mm (0.2326 - 0.2333 inch)
Valve Margin
Intake 1.2 - 1.7 mm (0.047 - 0.066 inch)
Service Limit 0.95 mm (1/32 inch)
Exhaust 0.985 - 1.315 mm (0.038 - 0.051 inch)
Service Limit 1.05 mm (3/64 inch)
Valve Stem Tip
Intake 48.04 mm (1.891 inch)
Exhaust 47.99 mm (1.889 inch)