Are you sure you want a llifter with a ceramic coated puck glue onto the bottom of the lifter? Trend and probally others now sell a tool steel lifters which they are claiming are reusableble from one cam to another like the Shubic where claiming I heard that Shubic went out of business due to numermous lawsuits from customers that thier lifters had shatter the pucks off the bottom of the lifters and total thier motors from that debris Those customers supposedly had not use enough valve spring pressure to keep those lifters in constant contact with the top of the lobes, once they floated the lifters the pucks would shattered