Engine Valves & Valve Springs Specifications
WARNING: This page is about a different variant/trim than selected.
VALVES & VALVE SPRINGS
| Application | Specification | |||||
|---|---|---|---|---|---|---|
| Intake Valves | ||||||
| Face Angle | 45° | |||||
| Head Diameter | 1.905-1915" (48.387-48.641 mm) | |||||
| Minimum Margin | .031" (.787 mm) | |||||
| Minimum Refinish Length | 4.822" (122.47 mm) | |||||
| Stem Diameter | .312" (7.92 mm) | |||||
| Valve Tip Maximum Refinish | .010" (.25 mm) | |||||
| Exhaust Valves | ||||||
| Face Angle | 45° | |||||
| Head Diameter | 1.495-1.505" (37.973-38.227 mm) | |||||
| Minimum Margin | .031" (.787 mm) | |||||
| Minimum Refinish Length | 4.837" (122.86 mm) | |||||
| Stem Diameter | .312" (7.92 mm) | |||||
| Valve Tip Maximum Refinish | .010" (.25 mm) | |||||
| Valve Springs | ||||||
| Free Length | 1.876" (47.65 mm) | |||||
| Installed Height | (1) | |||||
| Out-Of-Square | (1) | |||||
| Lbs. @ In. (kg @ mm) | ||||||
| Spring Pressure | ||||||
| 1998 Engines | ||||||
| Valve Closed | 61-69 @ 1.640 (27.63-31.30 @ 41.66) | |||||
| Valve Open | 83-89 @ 1.216 (86.18-95.25 @ 30.89) | |||||
| 1999 Engines | ||||||
| Valve Closed | 71-79 @ 1.640 (32.2-35.8 @ 41.66) | |||||
| Valve Open | 202-218 @ 1.216 (91.6-98.8 @ 30.89) | |||||
|
||||||