Parts list: № Number Qty Name Options 1 AR70589 1 CYLINDER HEAD (MARKED R54560) (SUB FOR AR61346, AR62452) 2 A3910R AR PLUG OD=25,4MM(1") 2 CD16284 AR Plug OD=32,4MM(1.274") 3 R92425 1 ENGINE CYLINDER HEAD GASKET (SUB FOR R59448, T20040) 4 R53223 18 CAP SCREW 12,7MMX108MM(0.5"X4.25") 5 T20168 18 Washer Next page: 20-17 CYLINDER HEAD [01A23] 20-18 VALVE/VALVE SEAT/SPRING/RETAINER [01A24] 20-19 ROCKER ARM/SHAFT/TAPPET/PUSH ROD [01A25] 20-2 SHORT BLOCK ASSEMBLY [01A08] 20-20 CAMSHAFT [01B01] 20-15 SHACKLES [01A21] 20-14 ROCKER ARM COVER (SHEET METAL) [01A20] 20-13 ROCKER ARM COVER (SHEET METAL) [01A19] 20-12 VENT TUBE [01A18] 20-11 FRONT PLATE [01A17]