MerCruiser 61851A1 61851A2 Exhaust Manifold Riser 3" Inch Pair 470 215 255 Steering Helm Parts 0320154 Leaf valves

0320154 Leaf valves

Mixture Screw: 311340

*1986 & 1987 Models

0386792 Intake manifold

MerCruiser Propellers 1965-1982 (Technically referenced as W/M/C propellers)

MerCruiser 61851A1 61851A2 Exhaust Manifold Riser 3" Inch Pair 470 215 255 Steering Helm Parts 0320154 Leaf valvesPart Number(s) Included MerCruiser 61851A1 Exhaust Manifold Riser (3") You get the pair as pictured General Application Compatibility Most commonly seen as a single riser for 470 applications 1980 1982, but also found on 215 & 225 Ford applications when used as a pair in kit 61851A2 (which would have had included studs to get the correct height for the riser mounting surface) Other Details Freshwater Used Parts Purchase with confidence!