Engine Valves & Valve Springs Specifications
VALVES & VALVE SPRINGS
| Application | Specification | ||||
|---|---|---|---|---|---|
| Valves | |||||
| Intake | |||||
| Face Angle | 45° | ||||
| Head Diameter | 1.4209-1.4311" (36.090-36.350 mm) | ||||
| Minimum Margin | .035" (.890 mm) | ||||
| Length | 4.3543-4.3646" (110.600-110-860 mm) | ||||
| Stem Diameter | .2331-.2339" (5.9207-5.9411 mm) | ||||
| Installed Height | |||||
| Spring Seat Installed | |||||
| Standard | 1.390-1.454" (35.31-36.93 mm) | ||||
| Wear Limit | 1.463" (37.16 mm) | ||||
| Exhaust | |||||
| Face Angle | 45° | ||||
| Head Diameter | 1.0976-1.1079" (27.880-28.140 mm) | ||||
| Minimum Margin | .042" (1.070 mm) | ||||
| Length | 3.6114-3.6217" (91.730-91.990 mm) | ||||
| Stem Diameter | .2331-.2339" (5.9207-5.9411 mm) | ||||
| Installed Height | |||||
| Spring Seat Installed | |||||
| Standard | 1.333-1.393" (33.86-35.38 mm) | ||||
| Wear Limit | 1.403" (35.64 mm) | ||||
| Valve Springs | |||||
| Free Length | 1.6059-1.7201" (40.790-43.690 mm) | ||||
| Installed Height | 1.3780" (35 mm) | ||||
| Lbs. @ In. (kg @ mm) | |||||
| Pressure | |||||
| Valve Closed | 47.5-52.5 @ 1.378 (21.5-23.8 @ 35.0) | ||||
| Valve Open | 130.2-141.9 @ .964 (59- 64.3 @ 24.5) | ||||