Chevy SBC 350 BBC 454 8000 Series Pro Billet Distributor [Black Screw-on] and increasing the cap's resistance

and increasing the cap's resistance to closing up under high loads

Windsor and Big Block versions are built from sturdy cast aluminum

and their quality construction and superior materials will help to protect your vital engine parts from the harmful effects of friction

while Cleveland/Modified covers are laser cut steel

These Speedmaster aluminum water pump pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 aluminum specifications and come in machined or polished finishes to suit your application

Chevy SBC 350 BBC 454 8000 Series Pro Billet Distributor [Black Screw-on] and increasing the cap's resistance