C-357-B TRIPLE-DEUCE (IDLE-5500 RPM) Designed for 1955-86 262-400 c.i.d. small-block Chevys, this manifold has a balanced 180° firing order port runner arrangement. It contains an exhaust gas heat crossover and offers excellent performance potential. #5418/#5419 has machined front oil filler tube pad with boss. #5418 is machined for 3-bolt carburetors. Carb center-to-center: 5-1/2". Use with Performer-Plus camshaft and lifter kit #2103 for low-end torque or Torker-Plus cam/kit #5002 for top-end power. #5418 & #5419 accept Oil Fill Tube and Breather #4803.