Quincy Compressor HOK 350 11Q Air Compressor Head Overhaul Kit is a replacement kit for the Quincy HOK 350 11Q head assembly, designed for ROC 11 to 12 air compressors. It includes the parts required to overhaul the cylinder head of HOK 350 11Q units during service or refurbishment. Compatible with Quincy ROC models in the 11–12 range, this kit supports maintenance tasks such as inspecting and reassembling the head to maintain valve seating, seal integrity, and airflow characteristics as part of routine maintenance or major head service.
