*6 Mercury 8154431 Cylinder Block Powerhead Exhaust Studs 175-300HP HardwarePart Description: *6 Mercury 8154431 Cylinder Block Powerhead Exaust Studs 175 300HP (m10 x 1. 5 x 155) about 6" long. Part Number(s): Model(s): Mercury Condition Description: Used, in very good condition Retail Price: $166. 50 Part Details: Cylinder Block Powerhead studs in very good condition comes off of a 1995 Mercury 225 HP EFI This should fit: This Mercury 8154431 STUD fits the following models and components: Mercury Outboard 300HP 300X EFI Pro

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