Water pump black alloy steel pulley nose bolts kit for Chevy small block 265-283-302-305-307-327-350-400 engines. The bolts in this kit are 5/16"-24 x 3/4" flat head cap screw. This bolt kit is used when you remove fan and stock pulley and install an aluminum pulley nose. 4 pieces.
Recommended for the CHEVY SMALL BLOCK WATER PUMP PULLEY NOSE BOLT KIT