S&S offers special manifolds that allow the use of constant velocity (CV) carbs with S&S or stock cylinder heads for 1984-' 99 Harley-Davidson® Evolution® big twin engines. Fits 80", 89", and 96" engines with 5.550" cylinders. These manifolds require S&S style manifold seals.
Harley-Davidson® part number 27019-89.
Note: All reference to H-D® part numbers is for identification purposes only. We in no way are implying that any of S&S Cycle's products are original equipment parts or that they are equivalent to the corresponding H-D® part number shown.