ROCKER ARMS AND VALVES [A25] 10 ENGINE 450B Crawler Tractor PC1170 in BULLDOZER 450B

№	Number	Qty	Name	Options
1	R87627	8	O-RING	(SUB FOR R27976, THIS APPLICATION)
2	AT31250	8	ROCKER ARM
3	T32213	1	SCREW	(SUB AT31250)
4	19H3031	4	Cap Screw	3/8" X 2-1/2"
5	R42729	4	Washer	(SUB FOR T23594)
6	T20316	2	Washer
7	T23469	2	PLUG
7	R54565	2	Plug
8	RE502874	1	ROCKER ARM SHAFT
9	T20077	16	Retainer
10	R41412	4	CAP	(SUB FOR T20176)
11	R26125	8	Spring
12	T20175	4	EXHAUST VALVE	STANDARD, (SUB R79624)
12	R79624	4	EXHAUST VALVE	STANDARD, (SUB FOR R52252)
12	R79625	4	EXHAUST VALVE	0.08 MM (.003") OVERSIZE STEM, (SUB FOR T23549 AND R57333)
12	R79626	4	EXHAUST VALVE	0.38 MM (.015") OVERSIZE STEM, (SUB FOR T23550 AND R57335)
12	[]	4		( R79627 NO LONGER AVAILABLE) 0.76 MM (.030") OVERSIZE STEM, (SUB FOR T23551 AND R57337)
13	T20073	8	Cam Follower
14	R82896	8	PUSH ROD	(SUB FOR T20310)
15	T20174	4	INTAKE VALVE	STANDARD, (SUB R79623)
15	R79623	4	Intake Valve	STANDARD, (SUB FOR R52251)
15	R79628	4	INTAKE VALVE	0.08 MM (.003") OVERSIZE STEM, (SUB FOR T23546 AND R57332)
15	R79629	4	INTAKE VALVE	0.38 MM (.015") OVERSIZE STEM, (SUB FOR T23547 AND R57334)
15	[]	4		( R79630 NO LONGER AVAILABLE) 0.76 MM (.030") OVERSIZE STEM, (SUB FOR T23548 AND R57336)
16	R41412	4	CAP	(SUB FOR T20176)
17	T20315	4	SUPPORT	(SUB RE502861) (USE WITH 19H3031 AND R54987)
18	T20314	3	Spring
19	T23470	1	ROCKER ARM SHAFT	(SUB R54987 AND (2) R54565)
19	R54987	1	SHAFT	(SUB RE502874) (SUB FOR R54987) (USE WITH 19H3031 AND T20315)
20	R123514	1	Rocker Arm Shaft
21	R504813	AR	Self-Locking Screw	(SUB FOR R501529)
21	19H3031	AR	Cap Screw	3/8" X 2-1/2"
22	R123161	4	Support
23	T20129	8	Cap
24	RE502861	1	SUPPORT