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5" overall Superseded to 304933 / 0304933
It's in your best interest to just remove everything you have to figure out exactly what you need
0L 4cyl Models From the late 60's until probably 1969 that did not have the separate big hose for a carburetor flame arrestor vent tube
We have installed new end seal gaskets on this
316324 / 0316324 Bolt
MerCruiser 807988-C 807988A2 Closed-Cooling Exhaust Riser 5.7L 350 7.4L 454 Trim & Tilt Wiring Harness 5" overall Superseded to 304933Part Number(s) Included MerCruiser 807988 C Exhaust Manifold Riser (You get the SINGLE RISER as pictured) Superseded Equivalent Possibly Related P N: 807988A2 807988A03 From a Closed Cooling Setup, (No front water inlet, scaling on the inside) General Application Compatibility Specifically, ths particular riser was from a Closed Cooling Configuration from 1996 1998 as it doesn't have a fitting on the front for a water hose 5. 0L 305 5. 7L 350 260hp 7.