Valves & Valve Springs Specifications
VALVES & VALVE SPRINGS
| Application | Specification | ||
|---|---|---|---|
| Intake Valves | |||
| Seat Angle | 45° | ||
| Valve Head Thickness | |||
| Standard | .039" (1.0 mm) | ||
| Service Limit | .024" (.6 mm) | ||
| Stem Diameter | .2742-.2748" (6.965-6.980 mm) | ||
| Exhaust Valves | |||
| Seat Angle | 45° | ||
| Valve Head Thickness | |||
| Standard | .039" (1.0 mm) | ||
| Service Limit | .028" (.70 mm) | ||
| Stem Diameter | .2736-.2742" (6.950-6.964 mm) | ||
| Valve Springs | |||
| Free Length | |||
| Standard | 1.9409" (49.30 mm) | ||
| Limit | 1.8937" (48.1 mm) | ||
| Out-Of-Square | .079" (2.0 mm) | ||
| Lbs. @ In. (kg @ mm) | |||
| Valve Spring Preload | |||
| Standard | 54.7-64.3 @ 1.63 (24.8-29.2 @ 41.5) | ||
| Service Limit | 50.2 @ 1.63 (22.8 @ 41.5) | ||