Engine Valves & Valve Springs Specifications
VALVES & VALVE SPRINGS
| Application | Specification | ||
|---|---|---|---|
| Intake Valves | |||
| Face Angle | 45° | ||
| Head Diameter | 1.253-1.265" (31.85-32.15 mm) | ||
| Margin | .306-.052" (.775-1.325 mm) | ||
| Valve Length | 4.2386-4.2700" (107.66-108.46 mm) | ||
| Stem Diameter | |||
| Standard | .2351-.2356" (5.970-5.985 mm) | ||
| Minimum | .2331" (5.920 mm) | ||
| Exhaust Valves | |||
| Face Angle | 45° | ||
| Head Diameter | 1.080-1.092" (27.45-27.75 mm) | ||
| Margin | .054-.074" (1.355-1.905 mm) | ||
| Valve Length | 4.2406-4.2720" (107.71-108.51 mm) | ||
| Minimum | 3.7200" (94.49 mm) | ||
| Stem Diameter | |||
| Standard | .2349-.2354" (5.965-5.980 mm) | ||
| Minimum | .2329" (5.915 mm) | ||
| Valve Springs | |||
| Length @ 42-46 lbs. (187-205 N) | 1.413" (35.90 mm) | ||
| Out-Of-Square | .062" (1.57 mm) | ||