| Industry | Automotive |
|---|---|
| Product Market | Domestic |
| Product Category | Drag Race |
| Product Type | Engine Valve Spring |
| Outer Diameter – Outer Valve Spring | 1.625 IN |
| Inner Diameter – Outer Valve Spring | 1.175 IN |
| Inner Diameter – Inner Valve Spring | 0.851 IN |
| Installed Height | 2.000 IN |
| Installed Load / Height (Valve Closed) | 275 LB @ 2.000 IN |
| Open Height | |
| Open Load | |
| Open Load / Height (Valve Open) | 810 LB @ 1.150 IN |
| Valve Spring Rate | 629 PS |
| Max Coil Bind | 1.100 IN |
| Max Valve Lift | 0.850 IN |
| Recommended Valve Spring Retainer – 400 Series | R404 |
| Recommended Valve Spring Retainer – 500 Series | R504 |
| Recommended Valve Spring Seat | S101, S102 |
| Recommended Valve Spring Cup | C205 |
| Valve Spring Series | 1200 Series |
| Valve Spring Type | Dual |
| Valve Spring Application | Drag Race |
| Primary Market | Drag Race|Street Performance |
