Small Block For Chevy Billet Fuel Pump Block Off Plate Aluminum Sbc 283 327 350#2071 Accessories Replacement Features: 1.FULLY POLISHED ALUMINUM FOR GREAT SHINE. 2.USED TO BLOCK OFF A MECHANICAL PUMP WHEN USING AN ELECTRIC. 3.FITS 283-327-350-400 SMALL BLOCK for CHEVY ENGINES. ...