GMC DIESEL ENGINE 50 60 65 0 206 PIN DOWEL ENGINE TIMING GEAR COVER 8 2315E 1 141238 DH478 T0 Cyl B 0ck x S I 0 206 PIN TIMING 8 2317E 1 2383799 DH478 0 206 PLUG ENGINE TIMING GEAR COVER 8 2327E 2 2379621 DH478 1 OD 6 438159 DH478 2 14 Sq Hd 1 444619 DH478 V 18 0 207 GASKET ENGINE TIMING GEAR COVER 8 2230E 1 2455660 DH478 To Block 1 2454795 DH478 Access C0ver RepI 8868120 0 207 GASKET ENGINE TIMING GEAR COVER CAP 8 2235E 1 2367707 DH478 0 253 RING SEAT EXHAUST VALVE 8 0790E 6 2454134 DH478 0 269 HEAD ENGINE CYLINDER 8 0570E 2 2454137 DH478 Incl Plugs Less Valve 0 289 GASKET ENGINE CYLINDER HEAD TO BLOCK 8 0640E 2 702541 DH478 0 293 PIN DOWEL ENGINE CYLINDER BLOCK 8 0495E 2 DH478 Head tu BIcck 4 x 1 Pr0 Loc 2 2367703 DH478 Head to BIuck 260 x 552 0 293 BOLT ENGINE CYLINDER HEAD 8 06OOE 10 702546 DH478 To BI0ck L0ng 5 In 12 x 4 4 In 12 702545 DH478 Tu Block Short In 12 x 1 In 6 702547 DH478 To BIOck ntermed In 12 x 3 In 0 293 PLUG ENGINE CYLINDER HEAD 8 0660E 1 555679 DH478 0 296 VALVE INTAKE 8 0710E 6 2461809 DH478 Std 1 Req Per Cyl 6 2461810 DH478 020 OS 1 Req Per Cyl S 2461811 DH478 030 OS 1 Req Per Cyl S 2461812 DH478 040 OS 1 Req Per Cyl 0 297 VALVE EXHAUST 8 0700E 6 2461813 DH478 Std 1 Req Per Cyl 6 2461814 DH478 020 OS 1 Req Per Cyl 6 2461815 DH478 030 OS 1 Req Per Cyl 6 2461616 DH478 040 OS 1 Req Per Cyl 0 303 SPRING VALVE 8 0820E 12 2459782 DH478 Inner 12 2459763 DH478 Outer 0 308 SEAL OIL ENGINE VALVE 8 0795E 6 2194132 DH478 Intake Valve 0 309 CAP VALVE SPRING 8 0740E 12 2459784 DH478 2 Req Per Valve 0 309 ROTATOR EXHAUST AND INTAKE VALVE 8 0794EM 12 2460397 DH478 0 310 KEY VALVE SPRING CAP 8 076OE 24 838029 DH478 4 Req Per Valve 0 333 ARM ROCKER VALVE 8 0850E 12 2449969 DH478 Incl Adj Screw 0 349 BOLT VALVE ROCKER SHAFT BRACKET 8 0880E 14 9420892 DH478 Bracket 10 Cyl Head 16 x 2 RepI 9419061 2 2379293 DH478 Outer Brkt to Head 18 x 2 875 Hex Hd 1 iWAREH0US NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 78TM N S reference only Added this issue 0 53 0 206 0 349 2 AR PART