**
Qty Required
Notes
1
12711-43403
CAM SHAFT, INTAKE
1
GS550ES3/ESE
2
12741-43401
SPROCKET, INTAKE CAM SHAFT
1
3
09103-07001
BOLT
2
4
12721-43402
CAM SHAFT, EXHAUST
1
5
12741-43401
SPROCKET, EXHAUST CAM SHAFT
1
6
09103-07001
BOLT
2
7
12840-11400
ARM, VALVE ROCKER INTAKE
8
8
12842-49210
.SCREW
1
6
9
12843-49210
.NUT
1
6
10
12861-43401
SHAFT, VALVE ROCKER ARM
4
11
09440-13024
SPRING
8
12
01107-06306
BOLT
4
13
08322-21066
WASHER
4
14
12911-43400
VALVE, INTAKE
8
15
12912-43400
VALVE, EXHAUST
8
16
12920-33230
SPRING SET, VALVE
1
6
17
12931-43400
RETAINER, SPRING
1
6
18
12933-33200
SEAT, SPRING
1
6
19
12932-27A00
COTTER, VALVE
3
2
20
09289-05008
OIL SEAL
1
6