Engine Valves & Valve Springs Specifications
WARNING: This page is about a different variant/trim than selected.
VALVES & VALVE SPRINGS
| Application | Specification | ||
|---|---|---|---|
| Intake Valves | |||
| Face Angle | 44.5-45.0° | ||
| Head Diameter | 1.364-1.375" (34.67-34.93 mm) | ||
| Minimum Margin | .050-.063" (1.28-1.61 mm) | ||
| Length | 4.439-4.461" (112.76-113.32 mm) | ||
| Stem Diameter | .233-.234" (5.93-5.95 mm) | ||
| Installed Tip Height | 1.891" (48.04 mm) | ||
| Exhaust Valves | |||
| Face Angle | 44.5-45° | ||
| Head Diameter | 1.114-1.122" (28.32-28.52 mm) | ||
| Minimum Margin | .038-.051" (.97-1.32 mm) | ||
| Length | 4.365-4.397" (110.89-111.69 mm) | ||
| Stem Diameter | .2325-.2332" (5.906-5.924 mm) | ||
| Installed Tip Height | 1.889" (47.99 mm) | ||
| Valve Springs | |||
| Free Length | 1.905" (48.4 mm) | ||
| Installed Height | 1.496" (38.00 mm) | ||
| Out-Of-Square Limit | 1/16" (1.5 mm) | ||
| Pressure - Lbs. @ In. (kg @ mm) | |||
| Valve Closed | 75.98 @ 1.496 (34.50 @ 38.0) | ||
| Valve Open | 136 @ 1.172 (61.70 @ 29.77) | ||