4401387/4401387
V-Twin 11-9609 Manley Valve Spring .490 Lift Top Collars Harley Ironhead XL classic retro old school custom chopper bagger best for replacement project performance part big twin
- Brand V-Twin Manufacturing
- Model 4401387
- Availability Available To Order
Manley .490 valve spring kit features OD springs with steel top collars.
Interference fit to reduce harmonics and control spring surge.
Springs have 20% more pressure than stock.
No machining required for installation.
Use with stock lift cams to .490. Uses stock lower collars.
Fits: 1957-1985 Harley-Davidson Sportster Ironhead XL
References
| Brand | V-Twin Manufacturing |
| Category | Other Engine Parts |
| Product Code | 4401387 |
| SKU: | VT11-9609 |
| MPN: | 44874 |
Specifications
Specifications
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