| Brand: | Speedmaster |
| Part Number: | PCE272.1012 |
| Part Type: | Valve Spring |
| Number of Springs Per Valve: | Dual |
| Outside Diameter of Outer Spring (in): | 1.300 in. |
| Coil Bind Height (in): | 1.125 in. |
| Damper Spring Included: | No |
| Spring Rate (lbs/in): | 134lbs @ 1.800 in. |
| Inside Diameter of Outer Spring (in): | 0.9130 in. |
| Inside Diameter of Inner Spring (in): | 0.6550 in. |
| Valve Spring Style: | Standard |
| Coated: | No |
| Quantity: | Sold as a set of 16 |
| Notes: | Dual valve spring commonly used in aftermarket aluminum Big Block Chevy and Big Block Ford Heads. |
