Valves & Valve Springs Specifications
VALVES & VALVE SPRINGS
| Application | Specification | ||
|---|---|---|---|
| Intake Valves | |||
| Seat Angle | 45° | ||
| Valve Head Thickness | |||
| Standard | .03-.047" (.8-1.2 mm) | ||
| Service Limit | .024" (.6 mm) | ||
| Stem Diameter | .2152-.2157" (5.465-5.480 mm) | ||
| Exhaust Valves | |||
| Seat Angle | 45° | ||
| Valve Head Thickness | |||
| Standard | .03-.047" (.8-1.2 mm) | ||
| Service Limit | .028" (.70 mm) | ||
| Stem Diameter | .2142-.2148" (5.440-5.455 mm) | ||
| Valve Springs | |||
| Free Length | |||
| Standard | 1.4500" (36.83 mm) | ||
| Service Limit | 1.4043" (35.67 mm) | ||
| Out-Of-Square | .079" (2.00 mm) | ||
| Lbs. @ In. (kg @ mm) | |||
| Valve Spring Preload | |||
| Standard | 23.6-27.5 @ 1.24 (10.7-12.5 @ 31.5) | ||
| Service Limit | 20.5 @ 1.24 (9.3 @ 31.5) | ||