| Application | Specification | ||||
|---|---|---|---|---|---|
| Valves | |||||
| Intake | |||||
| Face Angle | 45° | ||||
| Head Diameter | 1.30" (33.0 mm) | ||||
| Minimum Margin | .005" (.13 mm) | ||||
| Length | 4.169" (105.89 mm) | ||||
| Stem Diameter | .2331-.2339" (5.9207-5.9411 mm) | ||||
| Installed Height | |||||
| Spring Seat Installed | |||||
| Standard | 1.390-1.454" (35.30-36.92 mm) | ||||
| Wear Limit | 1.463" (37.17 mm) | ||||
| Exhaust | |||||
| Face Angle | 45° | ||||
| Head Diameter | 1.14" (29.0 mm) | ||||
| Minimum Margin | .030" (.76 mm) | ||||
| Length | 3.564" (90.53 mm) | ||||
| Stem Diameter | .2331-.2339" (5.9207-5.9411 mm) | ||||
| Installed Height | |||||
| Spring Seat Installed | |||||
| Standard | 1.333-1.393" (33.85-35.38 mm) | ||||
| Wear Limit | 1.403" (35.63 mm) | ||||
| Valve Springs | |||||
| Free Length | 1.591" (40.40 mm) | ||||
| Installed Height | 1.193" (30.30 mm) | ||||
| Lbs. @ In. (kg @ mm) | |||||
| Pressure | |||||
| 4.6L VIN 9 | |||||
| Valve Closed | 53 @ 1.19 (24 @ 30.3) | ||||
| Valve Open | 109 @ .82 (49 @ 20.9) | ||||
| 4.6L VIN Y | |||||
| Valve Closed | 46 @ 1.19 (21 @ 30.3) | ||||
| Valve Open | 92 @ .85 (41 @ 21.7) | ||||
VALVES & VALVE SPRINGS