1973-1977 Mercury 6434A1 Powerhead Engine Long Block Crankcase OEM 20 HP MT*
Part Description: 1973-1977 Mercury 6434A1 Powerhead Engine Long Block Crankcase OEM 20 HP
Part Number(s): 6434A1
Model(s): 1973-1977 Mercury
Condition Description: Unknown condition
Retail Price: Obsolete
Part Details: Powerhead Engine Long Block - includes crankshaft, pistons, intake, and both block halves - there is compression but no pull handle was used to get that compression so not sure if the numbers are accurate or not - engine could be good and just needs new rings but also could have somewhat low compression so selling at a big discount
This should fit:
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