Boat Marine Blower Vent Attwood 1494 Straight Slat Vent Exhaust Louver Chrome Lower Unit I don't know too much

I don't know too much about these

as this will not work with most 1970's & beyond 120hp & 140hp setups)

0L 305 V8 & 5

MerCruiser 62234A2 / 62234 (Stamped) Valve Rover Cover (Aluminum)

Choke Bracket: 304255

Boat Marine Blower Vent Attwood 1494 Straight Slat Vent Exhaust Louver Chrome Lower Unit I don't know too muchThese are Plastic made to look like chrome. (NOT METAL) Good condition Attwood 1492 (stamped) There is some chipping and pealing of chrome finish. Dimensions: (Please look at pictures) OD: 17 1 2" x 2 3 4" Rough Opening: 15 1 2" x 1 1 2" Hole Spacing: 16 5 8" x 1 1 2" Please inspect pictures for condition Yours should look like these or have same opening. May have been used on these other brand boats: Sylvan, Rinker, Sea Ray, Sea Raider, Renken, Sea