FORD V-8 62-00, 221-260-289-302-351W CU.IN. (AND 5.0L H.O.). INCREASED RATIO PEDESTAL MOUNT TYPE FOR 77-00 CYLINDER HEADS, NON-ADJUSTABLE, SECURED WITH 5/16" BOLT. FOR HYDRAULIC LIFTER AND HYDRAULIC ROLLER CAM APPLICATIONS ONLY. INCLUDES ROCKER ARM PEDESTAL SHIM KIT 99170-1