S&amp,S Cycle S&S High-Performance Intake Manifold 160-1658 Designed to replace the original rubber compliance fitting style manifold and seals used on 84-89 Big Twin with a rigid mount aluminum manifold Cracking and leaking problems can be eliminated by upgrading to the S&S rigid mount manifold Can be used with S&S Super B and E carburetors as well as stock carburetors with a 2 bolt mounting pattern Kit includes front and rear manifold mounting flanges, manifold O-rings and aluminum spacer shims Fits 84-89 Big Twin models