Edelbrock part 5419 C - 357 - B Triple - Deuce intake manifold is designed for 1955 - 86 262 - 400 c.i.d. small - block Chevys, this manifold has a balanced 180 - degree firing order port runner arrangement. It contains an exhaust gas heat crossover and offers excellent performance potential. This intake manifold has machined front oil filler tube pad with boss and is machined for 4 - bolt carburetors. Carb center - to - center 5 - 12. Use with Performer - Plus camshaft and lifter kit 2103 for low - end torque or Torker - Plus camkit 5002 for top - end power.