RockShox SealHead Assembly Description: The RockShox SealHead Assembly is a factory replacement part. If you are experiencing blow by or just need to replace a damaged or missing part, this part will help you to get back out on the trail with a properly working fork. Features: Kit includes SealHead Assembly with O-ring Designed to fit RockShox forks with Solo Air and 35mm stanchions Specifications: Compatibility: 2014-2017 Pike A1-A2 | Pike DJ A2-A3