Valves & Valve Springs Specifications
VALVES & VALVE SPRINGS SPECIFICATIONS
| Application |
In. (mm) |
| Intake Valves |
| Face Angle |
45° |
| Head Diameter |
1.60 (40.6) |
| Minimum Margin |
.031 (.79) |
| Stem Diameter |
.3124 (7.935) |
| Exhaust Valves |
| Face Angle |
45° |
| Head Diameter |
1.39 (35.3) |
| Minimum Margin |
.047 (1.19) |
| Stem Diameter |
.3103 (7.882) |
| Valve Springs |
| Free Length |
| Non-Turbo |
2.39 (60.7) |
| Turbo |
2.28 (57.9) |
| Installed Height |
1.62-1.68 (41.1-42.7) |
| Out-of-Square |
.079 (2.01) |
| Pressure |
| Valve Closed |
108-120 @ 1.65 (49-54 @ 42) |
| Valve Open |
195-215 @ 1.22 (89-97 @ 31) |