16-1223 E manifold, 5.405 inch cyl, size 225

When building a 93-inch standard compression Shovelhead, intake geometry is often overlooked. This S&S size 225 manifold is designed for 1966 to 1978 Shovelhead engines with O-ring heads and a 5.405-inch cylinder length. It is optimized for the Super E carburettor, providing the correct reach to bridge the heads on these taller-than-stock cylinders. The precision casting ensures that the intake ports line up perfectly, preventing the turbulence and leaks that often plague custom Shovel builds. It is a must-have for any mechanic looking to get a big-bore Shovelhead running right, offering the durability and exact fitment that S&S is known for in the industry.