This manifold can be used to replace stock "compliance fitting" manifolds on 1984-'89 and stock rigid mount manifolds from 1990-'99. They may also be used to replace manifolds on S&S engines for 1984-' 99 Harley-Davidson® big twins. The 1-7/8" manifold flange bolt pattern will accept S&S® ES, LS, Super A, B, and E carbs as well as stock butterfly style Tillotson®, Bendix®, and Keihin® carburetors.
| Engine Style & Displacement |
Cylinder length |
Size number |
part # |
| 88" |
5.375" |
397 |
16-1626 |
| 93" |
5.500" |
406 |
16-1627 |
| 80", 89", 96" |
Stock (5.550") |
410 |
16-1628 |
| 98" |
5.625" |
416 |
– |
| 103" |
5.750" |
426 |
16-1632 |
| 107" |
*5.375" |
397 |
16-1626 |
| 113" |
*5.500" |
406 |
16-1627 |
| Special Order |
Specify |
389-428 |
16-1639 |
| * Cylinder lengths reflect the use of S&S SA crankcases with +.500 deck height in S&S 4" bore engines. |
