Universal Chevy Ford Single Groove Alternator Pulley and Fan Kit Chrome These Speedmaster aluminum pulleys are

These Speedmaster aluminum pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 specs

These computer-machined brackets are manufactured from high quality materials and come with a chrome finish

Design from the ground up based upon your favourite bowtie block with the ability to handle naturally aspirated

while the extruded body has a tensile strength over 60

Although the GM heads are good pieces

Universal Chevy Ford Single Groove Alternator Pulley and Fan Kit Chrome These Speedmaster aluminum pulleys areSpeedmaster alternator pulleys are manufactured from quality materials to ensure strength and durability. They are designed to ensure belt retention at high rpm.