Parts for MerCruiser 230 (4 Barrel.) GM 305 V-8 1985-1986 Cylinder Head & Rocker Cover
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #1 | 79961 | COVER, ROCKER (2 required per assembly) |
 |
|
79961 - 79961 - COVER O [ More info ] Unavailable Replaced by -79961T 1 |
|
|
79961T 1 - COVER-ROCKER O NLA [ More info ] Unavailable |
| #2 | 49288 | CAP ASSEMBLY, Oil Filler (1 required per assembly) |
|
|
49288 - Cap [ More info ]
|
  |
|
17345 - Oil Filler Cap [ More info ]
|
| #3 | 10-35366 | SCREW, (.250-20 x .563), ROCKER COVER (8 required per assembly) USE WITHOUT REINFORCEMENT |
  |
|
10-35366 - Screw - Priced Individually [ More info ]
|
| #4 | 27-52202 | GASKET, ROCKER COVER (2 required per assembly) USE WITHOUT REINFORCEMENT |
  |
|
27-52202 - 27-52202 - GASKET O [ More info ] Unavailable Replaced by 27-11999 |
  |
|
27-11999 - Gasket [ More info ]
|
  |
|
18-2845 - Gasket, 912965, 27-11999 [ More info ]
|
| #4 | 27-11999 | GASKET, ROCKER COVER (2 required per assembly) USE WITH REINFORCEMENT |
| #5 | 11994 | REINFORCEMENT, ROCKER COVER STUD (8 required per assembly) USE WITH REINFORCEMENT |
  |
|
11994 - Bracket, NLA [ More info ]
|
| #6 | 16-11995 | STUD, ROCKER COVER (8 required per assembly) USE WITH REINFORCEMENT |
  |
|
16-11995 - Stud, NLA [ More info ]
|
| #7 | 11-11996 | NUT, ROCKER COVER STUD (8 required per assembly) USE WITH REINFORCEMENT |
  |
|
|
| #8 | 99948 | PUSH ROD, VALVE PUSH (DOUBLE BALL END) (16 required per assembly) |
  |
|
99948 - Push Rod [ More info ]
|
| #9 | 87284 | VALVE, EXHAUST (8 required per assembly) 228/230/260- STANDARD |
  |
|
87284 - Exhaust Valve [ More info ]
|
| #9 | 87301 | VALVE, EXHAUST (AR required per assembly) 228/230/260- .015 O.S. |
|
|
87301 - 87301 - VALVE O [ More info ] Unavailable Replaced by -883265 |
  |
|
883265 - VALVE-EXH +.015 O NLA [ More info ] Unavailable |
| #9 | 85803 | VALVE, EXHAUST (8 required per assembly) 898/200 - STANDARD |
  |
|
85803 - Exhaust Valve, NLA [ More info ]
|
| #9 | 49076 | VALVE, EXHAUST (AR required per assembly) 898/200 - .015 O.S. |
  |
|
49076 - Valve, NLA [ More info ]
|
| #10 | 97661 | VALVE, INLET (8 required per assembly) 260 - STANDARD |
  |
|
|
| #10 | 97662 | VALVE, Intake (AR required per assembly) 260 - .015 O.S. |
  |
|
97662 - Valve, NLA [ More info ]
|
| #10 | 94912 | VALVE, INLET (8 required per assembly) 228/230 - STANDARD |
  |
|
|
| #10 | 98603 | VALVE, INLET (AR required per assembly) 228/230 - .015 O.S. |
|
|
98603 - VALVE O NLA [ More info ] Unavailable |
| #10 | 62421 | VALVE, INLET (8 required per assembly) 898/200 - STANDARD |
  |
|
62421 - Inlet Valve, NLA [ More info ]
|
| #10 | 62422 | VALVE, INLET (AR required per assembly) 898/200 - .015 O.S. |
  |
|
62422 - Valve, NLA [ More info ]
|
| #11 | 26-34217 | SEAL, VALVE (INLET AND EXHAUST) (16 required per assembly) |
  |
|
26-34217 - Seal - Priced Individually [ More info ]
|
  |
|
18-0518 - Seal, 26-34217 [ More info ]
|
| #12 | 26-97664 | SEAL, VALVE (INLET) (8 required per assembly) |
  |
|
26-97664 - 26-97664 - SEAL O [ More info ] Unavailable Replaced by 26-8M0050563 |
|
|
26-8M0050563 - Seal [ More info ]
|
| #13 | 24-48347 | SPRING, VALVE (INLET AND EXHAUST) (16 required per assembly) |
  |
|
24-48347 - Spring [ More info ]
|
| #14 | 34518 | SHIELD, VALVE SPRING CAP (16 required per assembly) |
  |
|
|
|
|
34518001 - SHIELD O NLA [ More info ] Unavailable |
| #15 | 48348 | CAP, INLET VALVE (8 required per assembly) |
  |
|
48348 - CAP O NLA [ More info ] Unavailable |
| #16 | 11965 | ROTATOR, VALVE SPRING - EXHAUST VALVE (8 required per assembly) |
  |
|
|
| #17 | 28-54797 | KEY, VALVE STEM (32 required per assembly) |
|
|
28-54797 - 28-54797 - KEY O [ More info ] Unavailable Replaced by 28-54797 1 |
  |
|
28-54797 1 - Key - Priced Individually [ More info ]
|
| #18 | 35329 | ARM KIT, Rocker (16 required per assembly) |
  |
|
35329 - Arm Kit - Rocker [ More info ]
|
  |
|
18-4492 - Rocker Arm, 35329 [ More info ]
|
| #19 | 35331 | BALL, Rocker Arm (16 required per assembly) |
  |
|
35331 - Ball - Rocker Arm [ More info ]
|
| #20 | 11-34516 | NUT, ROCKER VALVE ARM STUD (16 required per assembly) |
  |
|
11-34516 - Nut - Priced Individually [ More info ]
|
| #21 | 938-7499 | CYLINDER HEAD ASSEMLBY (2 required per assembly) (260) |
|
|
938-7499 - CYLINDER HEAD ASS O NLA [ More info ] Unavailable |
| #21 | 938-8549 | CYLINDER HEAD ASSEMBLY (2 required per assembly) (228/230) |
|
|
938-8549 - CYLINDER HEAD ASS O NLA [ More info ] Unavailable |
| #21 | 938-8162 | CYLINDER HEAD ASSEMBLY (2 required per assembly) (898/200) |
|
|
938-8162 - Cylinder Head, NLA [ More info ]
|
| #22 | 16-34522 | STUD, ROCKER VALVE ARM (AR required per assembly) (.003 O.S.) |
  |
|
|
| #22 | 16-34521 | STUD, ROCKER VALVE ARM (AR required per assembly) (.013 O.S.) |
  |
|
16-34521 - STUD O NLA [ More info ] Unavailable |
| #23 | 27-75611 | GASKET, CYLINDER HEAD (2 required per assembly) |
  |
|
27-75611 - 27-75611 - GASKET O [ More info ] Unavailable Replaced by 27-75611001 |
  |
|
27-75611001 - Gasket [ More info ]
|
  |
|
18-3876 - Head Gasket 27-75611, 914971 [ More info ]
|
| #24 | 10-11968 | SCREW, (.437-14 x 1.750), CYLINDER HEAD TO CYLINDER BLOCK (16 required per assembly) |
  |
|
10-11968 - Screw [ More info ]
|
| #25 | 10-11967 | BOLT, (3 In.), CYLINDER HEAD TO CYLINDER BLOCK (3") (4 required per assembly) |
|
|
10-11967 - 10-11967 - BOLT (3 In.) O [ More info ] Unavailable Replaced by 10-11967 1 |
  |
|
10-11967 1 - Screw [ More info ]
|
| #26 | 10-11966 | SCREW, (.437-14 x 3.750), CYLINDER HEAD TO CYLINDER BLOCK (14 required per assembly) |
  |
|
10-11966 - Screw [ More info ]
|
