Sierra Manifold Riser Spacer Kit – Mercruiser

Replaces 807476A6, 93320A2, 93320A3, 93320A5, 93320A6, 93320A13
Alpha/Bravo/Gen+/GenIV GM Small Block V-8 305, 350, 4.3L, 454, 5.0, 5.7L, 502, 7.4L, 8.2L, (3? Riser Kit)
Complete with Mounting Hardware. Center Rise 3?
PACKAGED AS SET
Use with
Manifold S18-1952-1, S18-1953-2, S18-1957-23?