
Mid-USA - High Lift Valve Spring Kits
Item ships direct from supplier when available. Some items will be in stock and ship immediately, and others will have a lead time. Please contact us for more information. You will receive a lead time confirmation upon placing an order.
Fits These Vehicles
Fits These Vehicles
Shipping & Returns
Shipping & Returns
Description
- Both kits interference fit to reduce harmonic and control spring surge
- No machining required for installation
- Kits sold skin packaged for display and storage
Manley
.490" Cam Lift Kit
Features steel top collars and stock O.D. springs which have 20% more pressure than stock
Fits Ironhead Sportster all years
Can be used with stock lift cams and high lift cams up to .490"
By: MANLEY PERFORMANCE











