If you are looking for a manifold to use with your 6-71 or 8-71 Blower, look no further. They feature: Heat treated cast aluminum Direct 6-71 / 8-71 blower bolt on Will clear distributor (Except HEI) Raised plenum for better distribution of air threaded water ports near water outlet 5-3/8" manifold height 2" x 1 1/4" Intake Ports.
