This is direct replacements for the manifolds on S&S 111", 117", and 124" engines for 1984-' 99 Harley Davidson® big twins with S&S Super Stock® ignition. They have an extra vacuum nipple to accommodate both the VOES and special S&S 4-1/8" bore breather system. Fits S&S Super G carb.
| Displacement |
Cylinder Length |
Size Number |
Part # |
| 111" |
4.763" |
398 |
16-2594 |
| 117" |
4.888" |
408 |
16-2595 |
| 124" |
5.013" |
417 |
16-2596 |
