Valve Spring
| Length Installed | 1.3780 inch | |
| Free | 1.6059-1.7201 inch | |
| Valve Closed | 1.3780 inch | |
| Valve Open | Intake | 1 0 9646 inch |
| Exhaust | 0.9842 inch | |
| Force, Valve Closed @ 35 mm (1.3780 inch) | 47.5-52.5 lb | |
| Valve Open @ 24.500 mm (0.9646 inch) | 130.2-141.9 lb | |
| Diameter Inside | 0.6988-0.7185 inch | |
| Outside | 1.0327 inch | |
| Wire (Ovate) | 0.1618 x 0.1291 inch | |
| Coil Direction | Clockwise | |
| Total Number of Coils | 6.90-7.10 | |
| Identifier | Orange |