Screamin' Eagle Valve Spring Kit
Kit Number
For model fitment information, see the P&A Retail Catalog or the Parts and Accessories section of (English only).
Additional Parts Required
Additional parts may be required to replace or repair cylinder head components that are out of specification in order to assemble the cylinder heads and return them to service.
Rider and passenger safety depend upon the correct installation of this kit. If the procedure is not within your capabilities or you do not have the correct tools, have a Harley-Davidson dealer perform the installation. Improper installation of this kit could result in death or serious injury. (00308b)
This kit is intended for use with high lift, high RPM applications. This kit will work with lifts up to 13.75 mm (0.540 in) and up to 6500 rpm.
This instruction sheet references service manual information. A service manual for your model motorcycle is required for this installation and is available from a Harley-Davidson dealer.
Kit Contents
Table 1. Kit Contents
Description (Quantity)
Part Number
Collar, valve spring upper (8)
Collar, valve spring lower with seal (8)
Key, valve spring collar (16)
Valve spring (8)
Not Sold Separately
1. Refer to the service manual and follow the instructions under Stripping the Motorcycle for Top End Repair.
2. Follow the service manual instructions to remove the rocker covers and cylinder heads.
3. Using Valve Spring Compressor (HD-34736-B), compress the valve springs and remove upper collar keys, upper collar, and lower collar on all four valves.
4. If re-using the existing valves, use a fine tooth file to remove any burrs on the valve stem at the retainer groove. Mark the valve so that it will be reassembled in the same head and location.
1Upper collar
2Free travel, 0.060 inch (1.525 mm) greater than valve lift
3Lower collar and seal
4Installed spring height 1.535 inch @ 68.8 lbs (38.99 mm @ 31.21 kg)
Figure 1. Installed Spring Height
5. Follow the service manual instructions under Cleaning and Inspection.
6. If any components are out of specification, follow the service manual instructions to replace and hone valve guides and to resurface the valve seats.
7. See Figure 1. Using the springs, collars and keys from this kit, assemble cylinder heads following service manual instructions.
8. Follow instructions in service manual to install the cylinder heads and rocker covers.
9. To return the motorcycle to service, follow the service manual instructions under Assembling Motorcycle After Top End Repair.