Mercury MerCruiser MCM 454 Mag MPI

454 CID (7.4L) / 502 CID (8.2L)
SERVICE MANUAL NUMBER 23
Page 3A-37
90-861326--1 MARCH 1999
Valve Assembly (Exploded View)
75721
1
1
2
3
4
5
6
7
8
7.4L
1-Valve Lock
2-Retainer
3-Oil Shield Seal
4-Oil Shield
5-Outer Spring
6-Rotator
7-Intake Valve
8-Exhaust Valve
72278
1
2
3
4
5
6
7
8
454 Mag / 502 Mag / 8.2L
1-Valve Lock
2-Retainer
3-Oil Shield
4-Inner Spring
5-Outer Spring
6-Shim
7-Intake Valve
8-Exhaust Valve
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