THE HURRICANE IS A SINGLE PLANE, HIGH-RISE INTAKE THAT HAS PROVEN TO BE THE ABSOLUTE BEST VALUE IN A RACE MANIFOLDA DIRECT REPLACEMENT FOR THE STOCK MANIFOLD ON 1957 - 95 SMALL BLOCK CHEVY NON-EGR ENGINESINCLUDES SPECIAL ADAPTER BUSHINGS TO FIT 87 - 95 ENGINESUSES THE STOCK QUADRA-JET CARB OR 500-650 CFM VACUUM SECONDARY CARBURETORKIT INCLUDES ADAPTER PLATE TO PERMIT USE OF CERTAIN SQUARE BORE STYLE CARBURETORSCAST FROM STEEL MOLDS NOT FROM SAND MOLDSPERMANENT MOLDS PROVIDE A TIGHTER GRAIN CASTING THEREBY REDUCING THE OCCURRENCE OF POROSITY WHICH CAN MAR THE POLISHED FINISHADDITIONALLY, EACH HURRICANE MANIFOLD IS 100% PRESSURE TESTED FOR LEAKS TO ELIMINATE INSTALLATION PROBLEMSDUAL PLANE DESIGN - PROVIDES OUTSTANDING POWER FROM IDLE TO 5500SQUARE BORE CARB ADAPTER - INCLUDED WITH MANIFOLD ADAPTOR BUSHINGS - INCLUDED WITH MANIFOLDALLOWS MANIFOLD TO FIT 87 TO 95 ENGINES OR EARLY ENGINES W/87-95 CAST IRON OR ALUMINUM HEADSINCLUDES DUAL DISTRIBUTOR HOLDDOWNS & FOUR CORNER WATER OUTLETS