| № | Номер | Название | Опции | Альт |
| 1 | A58929 | COVER | COVER ASSEMBLY - cylinder head (If equipped), Includes: Ref. 2 | |
| 2 | 131-114 | SPRING NUT,Rtnr, 1/4" - 20, 0.25" High | NUT - speed grip, 1/4 inch NC | |
| 4 | A66640 | TUBE | TUBE - breather (If equipped) | |
| 5 | 13-440 | BOLT,Hex, 1/4" - 20 x 2-1/2", Gr 5 | BOLT, Hex, 1/4"-20 x 2 1/2", G5 | |
| 6 | A34133 | GASKET | GASKET - breather tube, upper (If equipped) | |
| 7 | A58635 | GASKET,17.27mm ID x 32mm OD x 6.6mm Thk | GASKET - breather tube, lower | |
| 8 | A67121 | STUD | STUD -, Serial Range: cover-head | |
| 9 | A142098 | GROMMET | GROMMET - cover stud, rubber | |
| 10 | A156097 | WASHER,11.94mm ID x 31.22mm OD x 1.32mm Thk | WASHER - dished, cover nut | |
| 11 | 129-104 | NUT,7/16"-14, G5 | NUT, 7/16"-14, G5 | |
| 12 | A156416 | HOSE,25.4 mm ID x 1016.00 mm, SAE J200F | Breather | |
| 13 | 214-256 | HOSE CLAMP,#20, 0.81" - 1.75", Type F Worm | CLAMP - adj, 13/16 - 1-3/4 inch diameter | |
| 14 | 195-529 | WASHER,7/16", SAE | WASHER - flat, 15/32 x 59/64 x 1/16 inch | |
| 15 | A156960 | CYLINDER HEAD GASKET,3.05mm Thk | GASKET -, Serial Range: cover-head | |
| 16 | D34033 | CLAMP | CLAMP - breather tube | |
| 20 | A67352 | HEAD (CYLINDER) | HEAD ASSEMBLY - cylinder (Casting No. A67351), Includes: Ref. 21 - 25 | |
| 20 | AR148939 | REMAN-CYLINDER HEAD | Cylinder Head | |
| 20 | AC148939 | CORE-CYLINDER HEAD | Return Number | |
| 21 | A41783 | GUIDE | GUIDE - valve stem | |
| 22 | A58619 | INSERT | INSERT - exhaust valve seat | |
| 24 | A34124 | PLUG,Cup, 1 5/8", Stainless | PLUG - cup type, 1-5/8 inch diameter | |
| 25 | A58620 | PLUG,Cup, 3/4", Stainless | PLUG - cup type, 3/4 inch diameter | |
| 26 | 221-1843 | PLUG | PLUG - hex socket, 3/8 inch PT | |
| 35 | REF | INSTRUCTION | GASKET - cylinder head (See Figure 2-32) | |
| 38 | A76638 | BOLT | BOLT - hex, 5/8 NC x 6-1/4 inch | |
| 39 | A58629 | BEARING WASHER,16.66mm ID x 25.4mm OD x 3.04mm Thk | WASHER - flat, hardened | |
| 40 | A157039 | DECAL | SPARE PART DECAL - engine information (504BD Natural Aspirated) | |
| 40 | 321-5737 | DECAL | DECAL - engine information (504BDT Altitude Compensating) | |
| 41 | A166170 | COVER | COVER ASSEMBLY - cylinder head | |
| 42 | 131-114 | SPRING NUT,Rtnr, 1/4" - 20, 0.25" High | NUT - speed grip, 1/4 inch NC | |
| 43 | A166120 | TUBE | TUBE - breather (If equipped) | |
| 44 | A166102 | WASHER,6.45mm ID x 12.7mm OD x 0.81mm Thk | GASKET - breather tube bolt (If equipped) | |
| 45 | 182-587 | SCREW,Cross Pan Hd, 1/4"-20 x 2 1/2" | SCREW - machine, pan head Phillips, 1/4 NC x 2-1/2 inch | |