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42422A2 Upper Exhaust Pipe Assembly
Used in both Chevy 305 & 350 / 898 and Ford 302 & 351 888 engines 1971-1976ish (later versions used the larger 4" inlet 73738 Exhaust elbows
11-34933 / 11-859116 Bell Housing Nut (6 of them)
-32-77332 Heat Exchanger to exhaust elbow
No engine-specific stickers
MerCruiser 91025T 91023A2 91056 91057 Exhaust Tube Pipe Elbow 3.7L 485 1980-1982 Oil Pans 42422A2 Upper Exhaust Pipe AssemblyPart Number(s) Included MerCruiser 91025 91025T Lower Exhaust Elbow (Stamped 91056) MerCruiser 91023A2 Intermediate Exhaust Pipe (Stamped 91057) General Application Compatibility Seems to have been found on exclusively MerCruiser 485 3. 7L (1980 1982) 4cyl engines as they were using the newer style of exhaust manifold vs the "470" engines from that same time period. Other Details Freshwater Used Parts Likely will need a new flapper (order part number
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