S&S offers special 40-42mm U-ring manifolds that allow the use of constant velocity (CV) carbs with S&S or stock cylinder heads for Harley-Davidson Twin Cam 88 and Evolution engines. These manifolds require S&S style manifold seals. Harley-Davidson part number 27002-89. 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. S&S Part #: 16-0242
Fitment: Twin Cam 88 and TC 96

Cross-Reference: The following OEM numbers are provided for reference only and may not be completely accurate.
Harley OEM Cross Reference Numbers:
27002-89