Hi-Perf Adjusters - Swivel

EMPI. Heavy duty peformance swiverl feet adjusters feature a large footprint that covers the valve stem to reduce the chance of mushrooming and side load friction. Contact areas are precision ground and hardened. Features slotted screw head design. Kit is complete with rocker boss shims to ensure correct rocker arm gerometry. Set of 8 adjusters and 4 rocker stand shims. 8mm. Valve adjusting screws. valve screw. valve adjust screw. 21-2031-0