Skunk2 Honda/Acura VTEC B Series Spring Type Lost Motion Assembly KitSkunk2 is proud to introduce its Lost Motion Assembly Kits for Hondas B series VTEC engines. Skunk2 Lost Motion Assemblies will fit any B Series DOHC VTEC engine (Type R GSR B16A, B17A, B18C). The Skunk2 Lost Motion Assembly is an advance spring device that is designed to put pre load on the center portion of the VTEC rocker when it is in the unlocked position (when VTEC mode is disabled). During extended operating conditions, the contaminants in the