{HEAD ~ These manufacturing methods} produce pistons having a significantly lower cost per unit than pistons manufactured by a machining process wherein the piston core is machined, a seal is manufactured, and the core and {TAIL ~ the seal} are mated to form the finished piston 
{ HEAD ~ These manufacturing methods } produce pistons having a significantly lower cost per unit than pistons manufactured by a machining process wherein the piston core is machined , a seal is manufactured , and the core and { TAIL ~ the seal } are mated to form the finished piston
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH