JIM’S, high performance valve spring set. [email protected]″
Details
Can be used as stock replacement. Seat load: [email protected]″. Open load: [email protected]″. Coil bind: 1.150″. Rate lbs / inch: 300. Multiple parts valve spring set. Comes with an interference double spring design with damper that keeps the inner and outer springs from locking and reduces harmonic vibrations. Compatible with OEM upper and lower collars.
Fitment
84-99 Evo Big Twin; 99-04 Twin Cam; 86-03 Sportster Code: Specifications
| Units | Each |
|---|
Part Numbers
| Manufacturer Part Number | 1356 |
|---|---|
| OEM Part Number | 18201-83 |
| Supplier Part Number | 978085 |
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