Cylinder Head, Valve Guides & Valve Seats

Cylinder Head Warpage Limit 0.004 in.
Cylinder Head Min. Overall Thickness 4.224 - 4.232 in.

Valve Guides
Standard Inside Diameter 0.2366 - 0.2374 in.

Stem To Guide Clearance
Intake 0.0010 - 0.0024 in.
Exhaust 0.0012 - 0.0026 in.

Valve Seats
Seat Angle 45°
Seat Width
Intake 0.031 - 0.055 in.
Exhaust 0.031 - 0.055 in.