Dimension & Clearance Specifications - Valves

Face Angle:
Exhaust 90° 40'
Intake 90° 40'

Valve Length:
Production:
Exhaust 92 mm (3.622 inch)
Intake 102 mm (4.016 inch)
Service:
Exhaust 91.8 mm (3.6141 inch)
Intake 101.7 mm (4.0039 inch)

Valve Stem:
Clearance:
Exhaust 0.040-0.067 mm (0.0016-0.0026 inch)
Intake 0.030-0.057 mm (0.0012-0.0022 inch)
Diameter:
Oversized (K1 - 0.075):
Exhaust 6.020 mm (0.2370 inch)
Intake 6.030 mm (0.2374 inch)
Standard (K):
Exhaust 5.945-5.960 mm (0.2341-0.2346 inch)
Intake 5.955-5.970 mm (0.2344-0.2350 inch)

Valve Spring:
Compressed Height @ 252 Nm (56.6 lbs.):
Exhaust 34 mm (1.338 inch)
Intake 34 mm (1.338 inch)
Installed Height:
Exhaust 39.2 mm (1.543 inch)
Intake 39.2 mm (1.543 inch)