MerCruiser 73999 120hp 2.5L 140hp 2bbl Flame Arrestor Carburetor Cover Top Thermostat Housing Parts Not sure if these are

Not sure if these are oversized all i have is the cast # on piston Let me know if you need a measurement

Exhaust housing Covers: 314988

328759 D2 (stamped) / 0394336 / 394336 (Lower Cowling Bottom Pan Bracket)

Swivel 26590

0L 175HP V8 Model # 990230G Item Condition and Notes:

MerCruiser 73999 120hp 2.5L 140hp 2bbl Flame Arrestor Carburetor Cover Top Thermostat Housing Parts Not sure if these areItem Details MerCruiser 2bbl Flame Arrestor Barbron Corporation 571204AA 2 5 8" I. D. Throat on this for Rochester 2bbl carburetors Tab where hose typically attached to appears to be missing on this. Part Numbers Included 73999 Flame Arrestor (superseded to 86270 which looks a bit different but functionally the same) 32 62060 Vent Hose, carburetor to rocker cover. Compatibility Generally Found On MerCruiser 120hp 2. 5L 140hp 3. 0L 4cyl 165hp 4. 1L