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Recommended Lubricants and Fluids
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Component or system
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Lubricant type or specification
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Castrol product
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1.
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Engine
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SAE 20W/50 mutligrade engine oil
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GTX
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2.
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Carburettor piston dampers
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SAE 20W/50 mutligrade engine oil
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GTX
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3.
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Gearbox and overdrive
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SAE 20W/50 mutligrade engine oil
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GTX
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Automatic transmission
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Automatic transmission fluid type F
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TQF
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4.
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Rear axle
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SAE 90EP Hypoid
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Hypoy B90
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5.
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Front suspension
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Multi-purpose grease
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LM grease
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6.
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Front suspension
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Propeller shaft
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LM grease
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Water pump (early cars only)
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Multi-purpose grease
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LM grease
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Distributor, linkages, cables,
dynamo bearing, locks and hinges
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SAE 20W/50 mutligrade engine oil
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GTX
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Hydraulic systems
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Hydraulic fluid to SAE J1703
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Universal brake and clutch fluid
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7.
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Steering rack
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SAE 90EP Hypoid
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Hypoy B90
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Torque Wrench Settings
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lbf ft
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kgf m
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Engine
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Main bearing nuts
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70
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9.7
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Flywheel set screws
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40
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5.5
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Gudgeon pin clamp bolt
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25
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3.4
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Big end bolts
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35
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-
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40
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4.8
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-
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5.5
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Big end nuts (12 sided, 18V)
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33
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4.5
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Cylinder head nuts
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45
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-
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50
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6.2
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-
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6.9
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Rocker bracket nuts
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25
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3.4
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Spark plugs
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18
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2.5
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Oil pump to crankcase
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14
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1.9
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Oil pump banjo
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37
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5.1 max
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Oil release valve - dome nut
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43
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5.9
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Sump to crankcase
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6
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0.8
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Cylinder side cover screws
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2
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0.28
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Second type-deep pressed cover
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5
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0.7
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Crankshaft pulley nut
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70
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9.6
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Camshaft nut
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65
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8.9
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Timing cover - 0.25 in screws
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6
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0.8
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Timing cover - 0.31 in screws
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14
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1.9
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Front plate - 0.31 in screws
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20
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2.8
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Rear plate - 0.31 in screws
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20
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2.8
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Rear plate - 0.31 in screws (18V)
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30
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4.1
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Rear plate - 0.375 in screws
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30
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4.1
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Water pump to crankcase
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17
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2.4
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Water outlet elbow nuts
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8
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1.1
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Rocker cover nuts
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4
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0.56
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Manifold nuts
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15
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2.1
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Oil filter center bolt
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15
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2.1
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Clutch to flywheel bolts
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25
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-
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30
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3.4
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-
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4.1
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Carburettor stud nuts
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2
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0.28
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Carburettor stud nuts (18V)
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15
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2.1
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Distributor clamp bolt (nut trapped)
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4.16
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0.57
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Distributor clamp bolt (bolt trapped)
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2.5
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0.35
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Automatic Gearbox
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Coverter to drive plate bolts
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25
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-
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30
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3.46
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-
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4.15
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Transmission case to converter housing bolts
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8
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-
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13
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1.1
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-
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1.8
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Extension housing to transmission case bolts
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8
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-
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13
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1.1
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-
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1.8
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Oil pan to gearbox bolts
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8
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-
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13
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1.1
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-
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1.8
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Drain plug
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8
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-
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10
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1.1
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-
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1.38
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Starter inhibitor switch locknut
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4
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-
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6
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0.55
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-
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0.83
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Downshift cable adaptor bolts
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8
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-
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9
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1.1
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-
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1.24
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Filler tube connector sleeve to transmission case
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20
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-
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30
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2.76
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-
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4.15
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Filler tube to connector sleeve nut
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17
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-
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18
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2.35
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-
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2.49
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Stone guard screws
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1.42
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-
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1.58
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0.196
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-
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0.219
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Driving flange nut
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55
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-
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60
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7.6
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-
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8.3
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Centre support bolts
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10
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-
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18
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1.38
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-
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2.49
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Rear Axle
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Three-Quarter Floating
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Crown wheel to differential carrier
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55
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-
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60
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7.6
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-
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8.3
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Differential bearing cap
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60
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-
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65
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8.3
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-
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8.9
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Pinion bearing nut
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135
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-
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140
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18.6
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-
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19.3
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Bearing retaining nut
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180
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24.8
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Semi-Floating
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Halfshaft nut
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150
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20.75
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Differential bearing cap bolts
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50
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-
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55
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6.9
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-
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7.6
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Crwon wheel bolts
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60
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-
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65
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8.3
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-
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8.9
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Pinion nut, new spacer only
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180
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-
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220
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28.89
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-
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30.42
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Rear Suspension
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Rear shock absorber bolts
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55
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-
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60
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7.6
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-
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8.3
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Front Suspension
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Front shock absorber bolts
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43
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-
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45
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5.9
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-
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6.2
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Brake disc to hub
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40
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-
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45
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5.5
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-
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6.2
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Brake caliper mounting
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40
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-
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45
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5.5
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-
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6.2
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Bearing retaining nut
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40
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-
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70
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5.5
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-
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9.7
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Crossmember to body
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54
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-
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56
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7.5
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-
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7.7
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Steering
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Steering arm bolts
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60
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-
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65
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8.3
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-
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8.9
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Steering wheel nut 9/16 in UNF
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27
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-
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29
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3.73
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-
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4.01
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Steering wheel nut 11/16 in UNF
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41
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-
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43
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5.66
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-
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5.94
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Steering wheel nut (export)
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36
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-
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38
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4.98
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-
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5.26
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Steering tie rod locknut
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33.3
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-
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37.5
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4.6
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-
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5.2
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Steering lever ball joint nut
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34
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-
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35
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4.7
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-
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4.8
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Steering column universal joint bolt
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20
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-
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22
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2.8
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-
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3.0
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General
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Stiff-nut to crossmember mounting bolt
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44
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-
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46
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6.08
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-
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6.36
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Gearbox remote control cover to tunnel
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7.5
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-
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9.5
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1.04
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-
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1.31
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Alternator shaft nut
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25
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-
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30
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3.46
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-
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4.15
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Master cylinder port adaptors
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33
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4.56
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Master cylinder reservoir fixing bolts
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5
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0.69
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Road wheel nuts
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60
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-
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65
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8.3
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-
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9.0
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