MerCruiser 86271A1 Flame Arrestor 701517AA Barbron MerCarb V8 305 350 3" 2BBL Water Pumps 12577 Thrust Washer

12577 Thrust Washer

15:1 Ratio) (Pinion is stamped this number as well)

The physical housing is the same as used in all other engine variations

but I'm pretty sure these are the same as the ones in the SX drives

MerCruiser 86271A1 Flame Arrestor 701517AA Barbron MerCarb V8 305 350 3" 2BBL Water Pumps 12577 Thrust WasherItem Details 3" Throat Opening for carburetor Found on Many MerCruiser V6 & V8 (4. 3L 185, 5. 0L 305, 5. 7L 350) Engines with 2 Barrel MerCarb Carburetor with 3" throat 1985 1995. (For later models, this is what is called the "Design I" Flame Arrestor) This is NOT compatible with quadrajet Carburetors Overall good shape Flame Arrester is pretty much universal with most MerCarb 2 Barrel Carburetors, please check your opening to verify size, They seemed