Motorcycle Rocker Box Gasket Kit For Ultra Limited Low FLHTKL Street Bob FXBB Softail Fat Boy FLFB Road King FXDR This rocker box gasket kit is designed to seal the cylinder head and cylinder block, helping maintain engine compression and prevent air leaks.Constructed with steel and paper materials, it supports consistent engine performance under operating conditions.The design allows for precise fitment on select models including Ultra Limited Low FLHTKL, Street Bob FXBB, Softail Fat Boy FLFB, and Road King FXDR.The kit is compatible with various model variants such as Bad Boy FXSTSB, FXDL, FXLR, FXDC, FXDWGI, and Electra.It serves as a functional replacement part for maintaining engine integrity during regular use.Installation is intended to be straightforward, suitable for both experienced mechanics and riders performing maintenance tasks at home.With material composition, the gasket resists wear from standard engine heat and vibration, contributing to longer service intervals and reduced maintenance frequency.This component supports and is suited for riders focused on preserving engine function and performance.