Valve, Intake/Exhaust

5.0L/V8-302, 1989

Intake .3776 inch
Exhaust .3924 inch

5.0L/V8-302, 1990-91

Intake .442 inch
Exhaust .450 inch

5.0L/V8-302 HO 1991-93

Intake .442 inch
Exhaust .442 inch

5.8L/V8-351 1989-91

Intake .442 inch
Exhaust .450 inch