Manley, valve spring kit. Std to .490″ lift
Details
Incl. steel top collars and dual spring style valve springs. No machining required for installation. 20% more pressure than stock and suitable for stock to .490″ lift applications. Valve springs have an interference fit to reduce harmonics and control spring surge. Pressure: [email protected]″, [email protected]″. Coil bind: .790″.
Fitment
57-85 Sportster Code: Specifications
| Units | KIT |
|---|
Part Numbers
| Manufacturer Part Number | 99217 |
|---|---|
| Supplier Part Number | 513991 |
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