Yes, those components are part of the greater update kit Black T1000008 or Silver T1000009 .
I found this part number list in the "kit of all kits" - for a black engine T1000008 from a 2008 post on the Rat forum.
Quantity Part Number Description Price
1 T1000011 ENGINE UPDATE KIT INSTRUCTIONS* $5.64
1 T1100045 KEY, CRANKSHAFT $13.68
1 T1140049 SPROCKET,CRANKSHAFT,19T* $71.56
1 T1140187 GASKET,TENSIONER* $3.50
1 T1140188 SPACER,SPRING,TENSIONE $16.42
1 T1142048 BLADE,CAM CHAIN TENSIONER,ALU* $113.93
1 T1142055 BLADE,CAM CHAIN,RUBBING,PA66* $51.36
1 T1160065 SLEEVE,THREADED,LONG* $53.15
1 T1160069 SLEEVE,THREADED,SHORT* $43.34
1 T1160096 SLEEVE,THREADED,M24 $43.34
1 T1160097 SLEEVE, THREADED, M24* $43.34
2 T1170092 NUT, CLUTCH,22MM* $23.38
5 T1171201 SPRING, CLUTCH* $61.65
1 T1179999 WASHER "C" CLUTCH $14.41
1 T1180051 WASHER,THRUST,41 OD X1.5* $5.76
1 T1180053 SHIM, STEEL, 45 X 32 X 1.0* $6.36
1 T1180064 GEAR,OUTPUT,2ND $157.65
1 T1180099 DOG RING, SPLINED $57.10
2 T1180267 BUSH, SHOULDERED, SPLINED* $72.90
2 T1180288 SPRING,BELLEVILLE,54.5X40.5X.6* $19.26
1 T1180289 SHIM, STEEL, 50X40X0.5* $6.36
1 T1190086 DETENT SPRING $6.51
1 T1190305 DETENT ARM ASSY* $26.54
1 T1197800 SHAFT, GEAR POSITION $45.48
1 T1230002 GASKET,SUMP* $23.72
1 T1241089 LEVEL SENDER, FUEL $136.83
1 T1241189 BRACKET, LEVEL SENDER* $20.25
1 T1260107 GASKET,CLUTCH COVER* $13.81
1 T1260119 GASKET,ALTERNATOR COVER* $15.27
1 T1260184 GASKET, OUTPUT SHAFT COVER* $17.38
1 T126030 SEAL,CAM COVER SCREW,TWIN LIP* $*4.53
1 T1260442 COVER,O/P SHAFT,PAINTED,BLACK $121.94
1 T1270850 BEARING,TORSIONAL DAMPER SB* $33.32
1 T1270870 CIRCLIP* $5.83
1 T1270886 WASHER,SPRING,DISC* $3.59
6 T1290180 SPARK PLUG, DPR7EA-9* $70.44
1 T1290567 HT LEAD SET $235.14
3 T2200326 EXHAUST PIPE SEALING RING* $29.79
1 T2208430 GASKET,EXHAUST,ID44.5,OD50.9* $21.80
1 T2208431 CLAMP,EXHAUST,ID53.3* $12.38
1 T2501444 HARNESS/INSTRUMENT REWORK KIT* $26.10
1 T2502531 DEALER REWORK KIT, LOCKSET* $62.05
1 T3050161 SCREW,CAP/HD,M8X1.25X20,RAW* $1.43
3 T3050302 CAPSCREW.SKT HD,M6X1X35,RAW* $6.09
3 T3051062 SCREW,CAP/HD,M6X1X12,ENC,RAW* $5.97
1 T3051063 SCREW,CAP/HD,M6X1X16,ENC,RAW* $0.91
3 T3051069 SCREW,CAP/HD,M6X1X10,ENC,RAW* $5.13
2 T3150132 BOLT,H/HD,SHLD,M8X1.25X18,RAW* $7.94
1 T3200220 BOLT,M8X1.25X14* $4.48
1 T3203090 BOLT,RHHF,M8X1.25X150,SILV,ENC* $13.63
1 T3203094 BOLT,RHHF,M8X1.25X165,SILV,ENC* $13.63
1 T3205653 BOLT,HHF,LGHTD,M8X1.25X30,SLV* $2.03
1 T3330186 SCREW,PAN/HD,TX,M6X1.0X25,BLK* $3.55
1 T3330831 BOLT,CAP/HD,M12X1.25X40,RAW* $8.90
3 T3332704 SCREW,TORX,C/S,M6X14,ENCAP,RAW* $20.88
1 T3350134 LOCKNUT, M10 X 1.25* $3.10
9 T3450200 PLUG, CHROME* $34.02
3 T3500003 CIRCLIP, 32MM SHAFT* $27.45
3 T3500202 CIRCLIP,EXT,29X1.5* $20.73
2 T3550128 WASHER,BANJO,M12 X 1.45 $6.30
2 T3550532 WASHER,CU,OD29.0,ID22.0,2.0* $3.12
1 T3550548 WASHER,CU,OD32.0,ID26.0,2.0* $1.56
1 T3551077 WASHER, M12* $9.98
1 T3600068 SEAL,OIL,40,62,6,CLOCKWISE* $11.57
1 T3600117 O RING, 17X3.0 $9.48
3 T3600134 O-RING,ID14.3SD2.4* $15.69
2 T3700015 CABLE TIE $2.78
1 T3801135 BEARING,BALL,45X75X16,SEALED* $52.19
1 T3880068 GAUGE,CAM CHAIN TENSIONER $113.93
Total Piece Parts $2,218.73
1 T1000008 KIT, UPDATE SERIES,BLK ENG $1,882.31 (in 2008!!)
It might be cheaper to just buy what you need...