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Mercury 1980-1982 [5520115 THRU 6218036] – Cat.# 90-91557 Cylinder Head & Rocker Cover Schematic

Component Schematic

#DescriptionPriceQty
1Cylinder Head Assembly6187A4Unavailable 
1Cylinder Head Assembly9451A2Unavailable 
2Sleeve72119In Stock$38.25 $27.54
3Plug74832Unavailable 
4Screw (4-3/8 Inch)67503Unavailable 
5Screw (5-1/8 Inch)72769Unavailable 
6Pin67489Unavailable 
7Gasket92166Unavailable 
7Gasket13709In Stock$91.25 $65.70
8Ball Rocker Arm67504Unavailable 
9Arm92966Unavailable 
9Rocker Arm Assy806751A1In Stock$36.83 $26.52
10Screw67506Unavailable 
11Lifting Eye72531In Stock$33.58 $24.18
12Screw (.437-14 X .880)48948Unavailable 
13Lockwasher (.437)32993In Stock$1.30 $0.78
16Push Rod675025In Stock$24.25 $17.46
16Push Rod675023In Stock$11.10 $6.66
16Push Rod675024In Stock$23.67 $17.04
17Valve75414Unavailable 
17Valve44182A1In Stock$21.83 $15.72
17Valve75415Unavailable 
17Valve75416Unavailable 
17Valve75417Unavailable 
18Spring Valve75411Unavailable 
18Spring75411TUnavailable 
19Seal75413Unavailable 
19Seal75624Unavailable 
20Retainer75412Unavailable 
21Key56162Unavailable 
21Key547971In Stock$13.50 $8.10
22Hose74767In Stock$20.83 $15.00
23Clamp32780Unavailable 
23Clamp Worm Gear815504220In Stock$6.00 $3.60
24Rocker Cover77681Unavailable 
24Rocker Cover41638A1Unavailable 
25Cap Filler75336Unavailable 
25Cap807152Unavailable 
26Screw (.75 In.)35585Unavailable 
26Screw (.250-20 X .750)65746In Stock$0.80 $0.48
27Lockwasher22773Unavailable 
28Gasket73666In Stock$29.17 $21.00