Aftermarket Mercruiser 3.0L Exhaust Manifold & Riser Kit Aftermarket Mercruiser 3.0L Exhaust Manifold & Riser Kit Kit includes: 1 x 860235A03 exhaust manifold (H2O T-20956) 1 x 12076A2 exhaust riser (Barr MC-20-12076) - Manifold gaskets, riser gasket & mounting hardware (see picture) Suits Mercruiser... MSRP: Was: Now: $1,174.89 Add to Cart