Dimensions

Engine Liter/CID 7.4L/V8-454

All specifications given in inches.

Cylinder Head Warpage Limit [02]
Valve Guides
Inside Diameter (Std.) 0.374-0.375
Stem To Guide Clearance
Intake [03] 0.0010-0.0027
Exhaust [06] 0.0012-0.0029
Valve Seats
Seat Angle, Degrees 46
Seat Width
Intake 0.0310-0.0620
Exhaust 0.062-0.093
Runout 0.002

[02] Maximum surface refinish, 0.010 inch.
[03] Service limit, 0.0037 inch.
[06] Service limit, 0.0049 inch.