997CC & 998CC Cooper Cylinder Head
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LabelPart NamePart No.
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2Stud, water elbow outletCHS2515
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3Stud, long, rockers and cover51K885
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4Stud, rocker posts, short51K1473
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5Stud, manifold53K487
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6Stud, heater valve53K402
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7Valve guide, was 12A18612G1963
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8Oil hole plug, was 6K8082K1345
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9Heater tap blanking plate2A180
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10Heater take-off gasket88G221
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11Heater valve nutGFK3211
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12WasherGFK1124
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13Valve seat insert exhaust, lead freeTAM2068
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14Inlet valve, 998cc Cooper (uses 2A11 cotter)12G296
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14Inlet valve, 997cc Cooper (uses 2A11 cotter) 29.4mm(1.156”) wideAEA574
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14Inlet valve, 997cc (uses [LINK]88G459[/LINK] cotter)29.4mm12G3036
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14Exhaust valve (uses 2A11 cotter)1” wideAEA400
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14Exhaust valve (uses [LINK]88G459[/LINK] cotter)1” wide12A1987
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15Valve spring outerAEA311
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16Valve spring inner, 998 Cooper onlyAEA401
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18Top cap for [LINK]88G459[/LINK] small groove cotter88G617
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19Bottom spring collar, 998 CooperAEA403
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20Valve cotter (only for [LINK]88G617[/LINK])88G459
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212A12
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22Rocker shaft12A1950
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25Rocker post locking plate N.L.A2A259
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26Locating plate plug2A258
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27Rocker spacer spring6K556
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29Rocker forged12G1221
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30Rocker bush2A21
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31Adjusting screw for [LINK]12G1221[/LINK]AEG167
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31Adjusting screw for [LINK]2A964[/LINK]12A1215
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32Adjusting screw nut for [LINK]12G1221[/LINK]NT605061
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32Adjusting screw nut for [LINK]2A964[/LINK]6K654
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33Cylinder head nut51K1193
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34Cylinder head washerGFK1115
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35Cylinder head gasket, was TAM2121B and AJM302GUG702506HG
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35Cylinder head gasket, composite material for performanceC-AEA647
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35Cylinder Head gasket, copperGEG302
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36Cylinder head ancillary stud and nut kitMSSK061
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37Rocker shaft spring washer2A18
