Engine Valves & Valve Springs Specifications
WARNING: This page is about a different variant/trim than selected.
VALVES & VALVE SPRINGS
| Application | Specification | ||||
|---|---|---|---|---|---|
| Valves | |||||
| Intake | |||||
| Face Angle | 45.25-45.75° | ||||
| Head Diameter | 1.747-1.757" (44.37-44.63 mm) | ||||
| Minimum Margin | (1) | ||||
| Stem Diameter | .2746-.2754" (6.975-6.995 mm) | ||||
| Valve Face Runout | .002" (.05 mm) | ||||
| Exhaust | |||||
| Face Angle | 45.25-45.75° | ||||
| Head Diameter | 1.334-1.343" (33.88-34.12 mm) | ||||
| Minimum Margin | (1) | ||||
| Stem Diameter | .2736-.2744" (6.949-6.970 mm) | ||||
| Valve Face Runout | .002" (.05 mm) | ||||
| Valve Springs | |||||
| Free Length | 1.976" (50.19 mm) | ||||
| Out-Of-Square | 2.5(0) | ||||
| Lbs. @ In. (kg @ mm) | |||||
| Pressure | |||||
| Valve Closed | 65 @ 1.57" (29.5 @ 40.0 mm) | ||||
| Valve Open | 150 @ 1.10" (68.0 @ 28.0 mm) | ||||
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