| Brand: | Speedmaster |
| Part Number: | 1-250-013-01 |
| Part Type: | Cylinder Head Valvetrain Kit |
| Intake Valves Included: | Yes |
| Intake Valve Diameter (in): | 2.055 in. |
| Exhaust Valves Included: | Yes |
| Exhaust Valve Diameter (in): | 1.600 in. |
| Valve Material: | Stainless Steel |
| Valve Length (in): | 4.900 in. |
| Valve Stem Diameter (in): | 8.000 mm (0.314 in.) |
| Undercut Valve Stems: | Yes |
| Swirl-Polished Valves: | Yes |
| Valve Springs Included: | Yes |
| Valve Spring Type: | Dual |
| Valve Spring Style: | LS Dual Spring |
| Valve Spring Outside Diameter (in): | 1.290 in. |
| Valve Spring Seat Pressure: | 130 lbs @ 1.800 in. |
| Valve Spring Coil Bind Height (in): | 1.180 in. |
| Damper Spring Included: | No |
| Retainers Included: | Yes |
| Retainer Material: | Chromoly Steel |
| Retainer Lock Angle: | 7 Degree |
| Valve Locks Included: | Yes |
| Valve Lock Material: | Chromoly Steel |
| Valve Lock Style: | 7 Degree |
| Lock Groove Style: | Single Groove |
| Valve Stem Seals Included: | Yes |
| Valve Stem Seal Type: | Positive Stop |
| Valve Stem Seal Material: | Viton |
| Valve Guide Diameter (in): | 0.500 in. |
| Quantity: | Sold as a kit. |
| Notes: |
