Valve Lift Specifications

Engine/VIN Year Int. Ex.
4.3L/V6-262/Z 1992-93 .350 .385
5.0L/V8-305/E 1993 .350 .385
5.7L/V8-350/7 1992-93 (1) (1)
5.7L/V8-350/P 1994 .418 .430

(1)- Except police models, intake .350 inch, exhaust .385 inch. Police models, intake .413 inch, exhaust .428 inch.