Small block water pump pulley question

here is what you need listed below. not saying you need to buy new but follow the links and take note of the measurements and find them used if ya can.

WP pulley you need. BPE Water Pump Pulley - Bouchillon Performance Engineering

crank pulley you need. BPE Single-Groove Crankshaft Pulley - Bouchillon Performance Engineering

alt bracket you need. BPE A Engine Black Finish Alternator Mounting Bracket Kit - Bouchillon Performance Engineering


It's also best to run a single groove alternator pulley with those other pulleys and brackets...