Valve, Intake/Exhaust

Valve
Face Angle
Service Limit 45 degrees 20'
Service Limit Seat Angle 45 degrees
Seat Width
Intake
Standard 1.0-1.4 mm (0.0394-0.0551 inches)
Exhaust
Standard 1.4-1.8 mm (0.0551-0.0709 inches)
Valve Length (Production)
Intake
Standard 102 mm (4.016 inches)
Exhaust
Standard 92 mm (3.6141 inches)
Valve Length (Service)
Intake
Standard 101.7 mm (4.0039 inches)
Exhaust
Standard 91.8 mm (3.6141 inches)
Valve Stem Diameter
Standard (K) Intake
Standard 5.955-5.970 mm (0.2344-0.2350 inches)
Standard (K) Exhaust
Standard 5.945-5.960 mm (0.2341-0.2346 inches)
Oversize (K 1-0.075)
Intake Standard 6.030 mm (0.2374 inches)
Oversize (K 1-0.075)
Exhaust
Standard 6.020 mm (0.2370 inches)
Valve Guide Diameter
Standard (K)
Standard 6.000-6.012 mm (0.2362-0.2367 inches)
Oversize (K 1-0.075)
Standard 6.075-6.090 mm (0.2392-0.2398 inches)
Stem Clearance
Intake
Standard 0.030-0.057 mm (0.0012-0.0022 inches)
Exhaust
Standard 0.040-0.067 mm (0.0016-0.0026 inches)
Valve Height
Intake
Standard 39.2 mm (1.543 inches)
Exhaust
Standard 39.2 mm (1.543 inches)
Intake and Exhaust Compressed at 34 1.338 252 N (56.6 lbs)
Standard 34 mm (1.338 inches)