Valve Spring: Specifications
| Inner Spring Free Length-Standard | 1.4204 Inch (in) |
| Inner Spring Free Length-Minimum | 1.3780 Inch (in) |
| Outer Spring Free Length-Standard | 1.5921 Inch (in) |
| Outer Spring Free Length-Minimum | 1.5441 Inch (in) |
| Inner Spring Preload-Standard | 15.2 - 17.4 Pound-Force (lbf) at 1.08 inch |
| Inner Spring Preload-Minimum | 13.6 Pound-Force (lbf) at 1.08 inch |
| Outer Spring Preload-Standard | 33.9 - 39.2 Pound-Force (lbf) at 1.25 inch |
| Outer Spring Preload-Minimum | 30.4 Pound-Force (lbf) at 1.25 inch |
| Spring Side Clearance-Maximum | 0.079 in |