Valves & Valve Springs Specifications
VALVES & VALVE SPRINGS SPECIFICATIONS
| Application | In. (mm) | ||
|---|---|---|---|
| Intake | |||
| Stem Diameter | .3134-.3140 (7.960-7.976) | ||
| Face Angle | 45° | ||
| Minimum Margin | |||
| Standard | .047 (1.19) | ||
| Service Limit | .028 (.71) | ||
| Valve Spring Free Length | 1.961 (49.81) | ||
| Valve Spring Out-of-Square | |||
| Standard | 2° | ||
| Service Limit | 4° | ||
| Valve Spring Installed Height | |||
| Standard | 1.591 (40.41) | ||
| Service Limit | 1.630 (41.40) | ||
| Exhaust | |||
| Stem Diameter | .3122-.3130 (7.930-7.950) | ||
| Face Angle | 45° | ||
| Minimum Margin | |||
| Standard | .079 (2.00) | ||
| Service Limit | .059 (1.50) | ||
| Valve Spring Free Length | 1.961 (49.81) | ||
| Valve Spring Out-of-Square | |||
| Standard | 2° | ||
| Service Limit | 4° | ||
| Valve Spring Installed Height | |||
| Standard | 1.591 (40.41) | ||
| Service Limit | 1.630 (41.40) | ||
| Jet | |||
| Stem Diameter | .169 (4.29) | ||
| Face Angle | 45° | ||
| Valve Spring Free Length | 1.165 (29.59) | ||
| Valve Spring Out-of-Square | 1.5° | ||
| Valve Spring Installed Height | .847 (21.51) | ||