Valve: Specifications

Lifter Hydraulic
Face Angle 45 Degrees 20 Minutes
Seat Angle 45 Degrees
Seat Width
Intake 1.0-1.4 mm (0.0394-0.0551 inches)
Exhaust 1.4-1.8 mm (0.0551-0.0709 inches)
Valve Length
Production
Intake 102 mm (4.016 inches)
Exhaust 92 mm (3.622 inches)
Service
Intake 101.7 mm (4.0039 inches)
Exhaust 91.8 mm (3.6141 inches)
Valve Stem Diameter
Standard (K) Intake 5.955-5.970 mm (0.2344-0.2350 inches)
Standard (K) Exhaust 5.945-5.960 mm (0.2341-0.2346 inches)
Oversize (K1 - 0.075) Intake 6.030 mm (0.2374 inches)
Oversize (K1 - 0.075) Exhaust 6.020 mm (0.2370 inches)
Valve Guide Diameter
Standard (K) 6.000-6.012 mm (0.2362-0.2367 inches)
Oversize (K1 - 0.075) 6.075-6.090 mm (0.2392-0.2398 inches)
Stem Clearance
Intake 0.030-0.057 mm (0.0012-0.0022 inches)
Exhaust 0.040-0.067 mm (0.0016-0.0026 inches)
Valve Spring Height
Intake (Installed) 39.2 mm (1.543 inches)
Exhaust (Installed) 39.2 mm (1.543 inches)
Intake and Exhaust
Compressed @ 252 Nm (56.6 lbs.) 34 mm (1.338 inches)