A refresh of existing engine would use components already in engine as in crank rods and pistons if deemed to be usable and measure up ok.
If pistons have wear like most 97/98 ones that caused piston slap then we would have other sets of usuable pistons.
A refresh is inspection all parts, new bearings, all gaskets and seals, heads and block skimmed, fresh cross hatch honing, new oil pump, new water pump and thermostat and new timing belt
If bearing failure new oil modine also. .
Timing tensioner, idler pulleys and clutch components are renewed if needed.