System And Components
Assembly
100%

7N9551 CYLINDER HEAD GROUPEngine Serial No. 98S779-Up

Group No: 7N9551
Part NumberPart NameQty
3S30181 SPRING48
9F22472 PLUG (R.H. head assem.)1
1D46223 BOLT86
7M7875WASHER86
2S28134 ROTOCOIL ASSEM.48
8N94895 CHAMBER ASSEM.12
8S41906 SEAL12
2A44297 LOCK96
2S33218 RETAINER48
7L05209 STUD72
7N953210 HEAD ASSEM.2
9F224711 PLUG2
9S969912 INSERT (Exhaust Standard)12
4S8902INSERT 1.3 cm(.005 in.)oversize12
4S8903INSERT 2.5 cm(.01 in.)oversize12
9M320513 INSERT (Intake Standard)12
4S8898INSERT 1.3 cm(.005 in.)oversize12
4S8899INSERT 2.5 cm(.01 in.)oversize12
5H707114 DIRECTOR24
1S954015 DOWEL2
6N223616 GUIDE24
2M647117 PLUG5
3B062318 PLUG24
5M266719 GASKET (.194" thick)12
8S427520 SEAL48
8N372521 VALVE (exhaust)24
1P040722 VALVE (intake)24
1S710423 SEAL2
7N952724 GASKET2
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