14mm/12mm Cylinder Head Stud Kit w/ Standard FastenersDesigned for the ultimate in engine performance and reliability, Fuji Racings 14mm 12mm Head Stud Kit is a must have component for any EJ engine build where 450bhp+ power output is expected. It is essential to have the most reliable system for clamping the cylinder heads onto the block assembly to avoid the heads lifting under load at high levels of boost. The Fuji Racing 14 12mm Head Stud kit provides this peace of mind and cuts out the expense of