manifolds chevrolet big block chrysler small ... block chevrolet big block v8 396 402427454 502 v8 rectangular port heads ... systems · accepts 2000 cfm holley 4-bbl throttle body p/n 112-538 · single ... plane manifold design · brass engine coolant crossover ... 9901-206 only · fuel rail and line kit available order holley part 9900-173 ... · performance fuel injector kits available intakemanifolds chrysler ... recommendations 0-80457s 600 cfm 0-4776s 600 cfm installation notes square bore ... 8007c stock heads features · high rise/dual plane design height frt 4.88 rr 5.94 ... flange · lunati camshaft and lifter kit available under p/n 04001lk 318 late ... recommendations 0-80457s 600 cfm 0-4778s 700 cfm 0-80508s 750 cfm installation ...