Compatible/Replacement for CHEVY BIG BLOCK 3 GROOVE CHROME CRANK PULLEY LONG PUMP LWP
Chevy chrome three groove crank pulley. These are for the big block Chevy 396-454 engine with with long water pump. Has a two groove water pump pulley and a crank pulley. Water pump pulley is 6.30" diameter and crank pulley is 7.80" diameter.