Engine Details • MERCURY 351CID (5.8L) GAS • 1970–74
Models
Colony Park, Cougar, Custom, Cyclone, Marquis, Montego, Monterey
Liters
5.8
CID
351
Fuel / Delivery
GAS / CARB
Cyl.
8
Version
-
VIN
H, M, Q
Desc.
Cleveland
Bore
4.00'' (101.6mm)
Stroke
-
Head
OHV
Asp.
N
Misc.
Cleveland w/4BC & w/2BC
Available Part Categories
Please select to update the part list below:
Valve Seat for MERCURY 351CID (5.8L) GAS • 1970–74
10 parts found
| Part No. | Description | Quantity | Specs |
|---|---|---|---|
| 30557 | Int., '70-74 w/2BBL | 8 | |
| 30557S | Package of 4 each of 30557 | 8 | |
| 30658 | Exh., '70-74 w/2BBL | 8 | |
| 30658+10 | Exh., .010" Oversize, '70-74 w/2BBL | 8 | |
| 30658+30 | Exh., .030" Oversize, '70-74 w/2BBL | 8 | |
| 30658S | Package of 4 each of 30658 | 8 | |
| 30658S+10 | Package of 4 each of 30658+10 | 8 | |
| 30658S+30 | Package of 4 each of 30658+30 | 8 | |
| 30667 | Exh., '70-74 w/4BBL | 8 | |
| 30667S | Package of 4 each of 30667 | 8 |