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  2. Part Finder
  3. Harley
  4. 1981
  5. Sportster 1000 XLH1000
  6. CYLINDER, HEAD, VALVES AND TAPPETS
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Part Finder - Harley - 1981 - Sportster 1000 XLH1000 - CYLINDER, HEAD, VALVES AND TAPPETS

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Please note: that parts quantities shown on parts diagrams are the quantity of that part that exists on the bike, Not the quantity that we have in stock. Please click on the parts individually to check stock availability, thank you.
Please note: that pricing shown is individual/single per item pricing only unless otherwise indicated in part description.
Ref Part Number Description Part/Desc
3918220-57VALVE SPRING COLLAR, LOWER18220-57VALVE SPRING COLLAR, LOWER
3918220-81VALVE SPRING COLLAR, LOWER18220-81VALVE SPRING COLLAR, LOWER
Ref Part Number Description Part/Desc
3518168-79AEXHAUST GUIIDE-004 OS18168-79AEXHAUST GUIIDE-004 OS
3518170-57BEXHAUST GUIDE, STD18170-57BEXHAUST GUIDE, STD
3518171-57BEXHAUST GUIDE, .002 OS18171-57BEXHAUST GUIDE, .002 OS
3518172-57BEXHAUST GUIDE, .001 OS18172-57BEXHAUST GUIDE, .001 OS
Ref Part Number Description Part/Desc
1816769-73GASKET,CYL HD16769-73GASKET,CYL HD
1816769-82GASKET,CYL HD16769-82GASKET,CYL HD
Ref Part Number Description Part/Desc
3618176-57CINTAKE GUIDE-STD18176-57CINTAKE GUIDE-STD
3618179-57CINTAKE GUIDE-001 OS18179-57CINTAKE GUIDE-001 OS
3618180-57CINTAKE GUIDE-002 OS18180-57CINTAKE GUIDE-002 OS
3618191-79AINTAKE GUIDE-004 OS18191-79AINTAKE GUIDE-004 OS
Ref Part Number Description Part, Description # On Img # Cart $ Each Notes
2 4017 SCREW, HEX 4017SCREW, HEX1 on diagram x1 1.70
3 4640 SCREW, HEX CAP 4640SCREW, HEX CAP2 on diagram x2 0.80
4 4709 SCREW 4709SCREW8 on diagram x8 7.00
5 6334 WASHER 6334WASHER2 on diagram x2 0.80
6 6469HW WASHER 6469HWWASHER8 on diagram x8 3.25
8 6762D WASHER 6762DWASHER4 on diagram x4 1.70
9 7775 NUT, FLEX 7775NUT, FLEX1 on diagram x1 1.70
10 11100 O-RING 11100O-RING4 on diagram x4 1.55
11 11101 O-RING 11101O-RING1 on diagram x1 1.60
12 11132A O-RING, FILLER PLUG 11132AO-RING, FILLER PLUG4 on diagram x4 1.70
14 16250-57 SUPPORT BRACKET 16250-57SUPPORT BRACKET1 on diagram x1 13.30
15 16464-73C CYLINDER & PISTON KIT, FRONT 16464-73CCYLINDER & PISTON KIT, FRONT1 on diagram x1 710.50
16 16603-72 NUT, HEX 16603-72NUT, HEX8 on diagram x8 1.55
17 16673-73D CYLINDER HEAD, FRONT 16673-73DCYLINDER HEAD, FRONT1 on diagram x1 321.60
18 16769-73 GASKET,CYL HD 16769-73GASKET,CYL HD2 on diagram x2 8.10
18 16769-82 GASKET,CYL HD 16769-82GASKET,CYL HD2 on diagram x2 14.35
19 16774-72 GASKET CYL BASE 16774-72GASKET CYL BASE2 on diagram x2 3.40
20 17024-71 KIT-GASKET,ENG-COMP,XL 17024-71KIT-GASKET,ENG-COMP,XL1 on diagram x1 301.25
22 17536-70 GASKET, ROCKER ARM COVER 17536-70GASKET, ROCKER ARM COVER2 on diagram x2 4.15
23 17904-57 PUSH ROD 17904-57PUSH ROD4 on diagram x4 41.15
24 17935-79B PUSH ROD COVER, UPPER 17935-79BPUSH ROD COVER, UPPER4 on diagram x4 35.60
25 17937-79 PUSH ROD COVER, LOWER 17937-79PUSH ROD COVER, LOWER4 on diagram x4 35.60
26 17945-36B RETAINER, PUSH ROD COVER SPRIN 17945-36BRETAINER, PUSH ROD COVER SPRIN4 on diagram x4 13.05
27 17947-36 SPRING, PUSH ROD COVER 17947-36SPRING, PUSH ROD COVER4 on diagram x4 8.45
28 17950-48 SPRING KEEPER, PUSH ROD COVER 17950-48SPRING KEEPER, PUSH ROD COVER4 on diagram x4 8.20
32 18055-70 VALVE INSERT 18055-70VALVE INSERT2 on diagram x2 48.45
33 18027-80 INTAKE VALVE, STD 18027-80INTAKE VALVE, STD2 on diagram x2 55.10
33 18027-80 INTAKE VALVE, STD 18027-80INTAKE VALVE, STD2 on diagram x2 55.10
34 18033-80 EXHAUST VALVE, STD 18033-80EXHAUST VALVE, STD2 on diagram x2 79.35
34 18033-80 EXHAUST VALVE, STD 18033-80EXHAUST VALVE, STD2 on diagram x2 79.35
35 18168-79A EXHAUST GUIIDE-004 OS 18168-79AEXHAUST GUIIDE-004 OS2 on diagram x2 16.10
35 18170-57B EXHAUST GUIDE, STD 18170-57BEXHAUST GUIDE, STD2 on diagram x2 17.85
35 18171-57B EXHAUST GUIDE, .002 OS 18171-57BEXHAUST GUIDE, .002 OS2 on diagram x2 17.85
35 18172-57B EXHAUST GUIDE, .001 OS 18172-57BEXHAUST GUIDE, .001 OS2 on diagram x2 17.85
36 18176-57C INTAKE GUIDE-STD 18176-57CINTAKE GUIDE-STD2 on diagram x2 17.85
36 18179-57C INTAKE GUIDE-001 OS 18179-57CINTAKE GUIDE-001 OS2 on diagram x2 17.85
36 18180-57C INTAKE GUIDE-002 OS 18180-57CINTAKE GUIDE-002 OS2 on diagram x2 17.85
36 18191-79A INTAKE GUIDE-004 OS 18191-79AINTAKE GUIDE-004 OS2 on diagram x2 17.85
37 18203-57A VALVE SPRING, OUTER 18203-57AVALVE SPRING, OUTER4 on diagram x4 17.70
38 18204-57A VALVE SPRING, INNER 18204-57AVALVE SPRING, INNER4 on diagram x4 16.30
39 18220-57 VALVE SPRING COLLAR, LOWER 18220-57VALVE SPRING COLLAR, LOWER4 on diagram x4 36.25
39 18220-81 VALVE SPRING COLLAR, LOWER 18220-81VALVE SPRING COLLAR, LOWER4 on diagram x4 21.70
40 18221-57B VALVE SPRING COLLAR, UPPER 18221-57BVALVE SPRING COLLAR, UPPER4 on diagram x4 21.70
41 18228-30 VALVE KEY 18228-30VALVE KEY4 on diagram x4 10.40
42 18515-58A TAPPET AND SCREW ASSY, XL 18515-58ATAPPET AND SCREW ASSY, XL4 on diagram x4 135.65
43 18515-58A TAPPET AND SCREW ASSY, XL 18515-58ATAPPET AND SCREW ASSY, XL4 on diagram x4 135.65
44 18534-29A TAPPET LIFTER KIT 18534-29ATAPPET LIFTER KIT4 on diagram x4 51.05
45 18554-57 SCREW KIT, TAPPET ADJUSTING 18554-57SCREW KIT, TAPPET ADJUSTING4 on diagram x4 21.95
46 18570-38 NUT, TAPPET SCREW 18570-38NUT, TAPPET SCREW4 on diagram x4 7.35
47 18607-57B TAPPET GUIDE, XL 18607-57BTAPPET GUIDE, XL4 on diagram x4 135.65

4017 - SCREW, HEX

  • Reference

    2

  • Part Number

    4017

  • Description

    SCREW, HEX

  • Price

    1.70

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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4640 - SCREW, HEX CAP

  • Reference

    3

  • Part Number

    4640

  • Description

    SCREW, HEX CAP
This part is not available for sale.
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4709 - SCREW

  • Reference

    4

  • Part Number

    4709

  • Description

    SCREW
This part is not available for sale.
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6334 - WASHER

  • Reference

    5

  • Part Number

    6334

  • Description

    WASHER

  • Price

    0.80

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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6469HW - WASHER

  • Reference

    6

  • Part Number

    6469HW

  • Description

    WASHER
This part is not available for sale.
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6762D - WASHER

  • Reference

    8

  • Part Number

    6762D

  • Description

    WASHER

  • Price

    1.70

  • Qty On Diagram

    4

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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7775 - NUT, FLEX

  • Reference

    9

  • Part Number

    7775

  • Description

    NUT, FLEX

  • Price

    1.70

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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11100 - O-RING

  • Reference

    10

  • Part Number

    11100

  • Description

    O-RING
This part is not available for sale.
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11101 - O-RING

  • Reference

    11

  • Part Number

    11101

  • Description

    O-RING

  • Price

    1.60

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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11132A - O-RING, FILLER PLUG

  • Reference

    12

  • Part Number

    11132A

  • Description

    O-RING, FILLER PLUG

  • Price

    1.70

  • Qty On Diagram

    4

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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16250-57 - SUPPORT BRACKET

  • Reference

    14

  • Part Number

    16250-57

  • Description

    SUPPORT BRACKET
This part is not available for sale.
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16464-73C - CYLINDER & PISTON KIT, FRONT

  • Reference

    15

  • Part Number

    16464-73C

  • Description

    CYLINDER & PISTON KIT, FRONT
This part is not available for sale.
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16603-72 - NUT, HEX

  • Reference

    16

  • Part Number

    16603-72

  • Description

    NUT, HEX
This part is not available for sale.
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16673-73D - CYLINDER HEAD, FRONT

  • Reference

    17

  • Part Number

    16673-73D

  • Description

    CYLINDER HEAD, FRONT
This part is not available for sale.
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16769-73 - GASKET,CYL HD

  • Reference

    18

  • Part Number

    16769-73

  • Description

    GASKET,CYL HD

  • Price

    8.10

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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16769-82 - GASKET,CYL HD

  • Reference

    18

  • Part Number

    16769-82

  • Description

    GASKET,CYL HD

  • Price

    14.35

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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16774-72 - GASKET CYL BASE

  • Reference

    19

  • Part Number

    16774-72

  • Description

    GASKET CYL BASE

  • Price

    3.40

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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17024-71 - KIT-GASKET,ENG-COMP,XL

  • Reference

    20

  • Part Number

    17024-71

  • Description

    KIT-GASKET,ENG-COMP,XL

  • Price

    301.25

  • Qty On Diagram

    1

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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17536-70 - GASKET, ROCKER ARM COVER

  • Reference

    22

  • Part Number

    17536-70

  • Description

    GASKET, ROCKER ARM COVER

  • Price

    4.15

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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17904-57 - PUSH ROD

  • Reference

    23

  • Part Number

    17904-57

  • Description

    PUSH ROD
This part is not available for sale.
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17935-79B - PUSH ROD COVER, UPPER

  • Reference

    24

  • Part Number

    17935-79B

  • Description

    PUSH ROD COVER, UPPER

  • Price

    35.60

  • Qty On Diagram

    4

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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17937-79 - PUSH ROD COVER, LOWER

  • Reference

    25

  • Part Number

    17937-79

  • Description

    PUSH ROD COVER, LOWER
This part is not available for sale.
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17945-36B - RETAINER, PUSH ROD COVER SPRIN

  • Reference

    26

  • Part Number

    17945-36B

  • Description

    RETAINER, PUSH ROD COVER SPRIN

  • Price

    13.05

  • Qty On Diagram

    4

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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17947-36 - SPRING, PUSH ROD COVER

  • Reference

    27

  • Part Number

    17947-36

  • Description

    SPRING, PUSH ROD COVER

  • Price

    8.45

  • Qty On Diagram

    4

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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17950-48 - SPRING KEEPER, PUSH ROD COVER

  • Reference

    28

  • Part Number

    17950-48

  • Description

    SPRING KEEPER, PUSH ROD COVER
This part is not available for sale.
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18055-70 - VALVE INSERT

  • Reference

    32

  • Part Number

    18055-70

  • Description

    VALVE INSERT
This part is not available for sale.
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18027-80 - INTAKE VALVE, STD

  • Reference

    33

  • Part Number

    18027-80

  • Description

    INTAKE VALVE, STD
This part is not available for sale.
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18027-80 - INTAKE VALVE, STD

  • Reference

    33

  • Part Number

    18027-80

  • Description

    INTAKE VALVE, STD
This part is not available for sale.
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18033-80 - EXHAUST VALVE, STD

  • Reference

    34

  • Part Number

    18033-80

  • Description

    EXHAUST VALVE, STD

  • Price

    79.35

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
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18033-80 - EXHAUST VALVE, STD

  • Reference

    34

  • Part Number

    18033-80

  • Description

    EXHAUST VALVE, STD

  • Price

    79.35

  • Qty On Diagram

    2

  • Stock in Store

    No Stock

  • Qty In Cart

  • basket not updated, press update to apply change
Checkout +1 to Cart View

18168-79A - EXHAUST GUIIDE-004 OS

  • Reference

    35

  • Part Number

    18168-79A

  • Description

    EXHAUST GUIIDE-004 OS
This part is not available for sale.
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18170-57B - EXHAUST GUIDE, STD

  • Reference

    35

  • Part Number

    18170-57B

  • Description

    EXHAUST GUIDE, STD
This part is not available for sale.
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18171-57B - EXHAUST GUIDE, .002 OS

  • Reference

    35

  • Part Number

    18171-57B

  • Description

    EXHAUST GUIDE, .002 OS
This part is not available for sale.
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18172-57B - EXHAUST GUIDE, .001 OS

  • Reference

    35

  • Part Number

    18172-57B

  • Description

    EXHAUST GUIDE, .001 OS
This part is not available for sale.
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18176-57C - INTAKE GUIDE-STD

  • Reference

    36

  • Part Number

    18176-57C

  • Description

    INTAKE GUIDE-STD
This part is not available for sale.
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18179-57C - INTAKE GUIDE-001 OS

  • Reference

    36

  • Part Number

    18179-57C

  • Description

    INTAKE GUIDE-001 OS
This part is not available for sale.
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18180-57C - INTAKE GUIDE-002 OS

  • Reference

    36

  • Part Number

    18180-57C

  • Description

    INTAKE GUIDE-002 OS
This part is not available for sale.
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18191-79A - INTAKE GUIDE-004 OS

  • Reference

    36

  • Part Number

    18191-79A

  • Description

    INTAKE GUIDE-004 OS
This part is not available for sale.
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18203-57A - VALVE SPRING, OUTER

  • Reference

    37

  • Part Number

    18203-57A

  • Description

    VALVE SPRING, OUTER
This part is not available for sale.
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18204-57A - VALVE SPRING, INNER

  • Reference

    38

  • Part Number

    18204-57A

  • Description

    VALVE SPRING, INNER
This part is not available for sale.
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18220-57 - VALVE SPRING COLLAR, LOWER

  • Reference

    39

  • Part Number

    18220-57

  • Description

    VALVE SPRING COLLAR, LOWER
This part is not available for sale.
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18220-81 - VALVE SPRING COLLAR, LOWER

  • Reference

    39

  • Part Number

    18220-81

  • Description

    VALVE SPRING COLLAR, LOWER
This part is not available for sale.
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18221-57B - VALVE SPRING COLLAR, UPPER

  • Reference

    40

  • Part Number

    18221-57B

  • Description

    VALVE SPRING COLLAR, UPPER
This part is not available for sale.
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18228-30 - VALVE KEY

  • Reference

    41

  • Part Number

    18228-30

  • Description

    VALVE KEY
This part is not available for sale.
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18515-58A - TAPPET AND SCREW ASSY, XL

  • Reference

    42

  • Part Number

    18515-58A

  • Description

    TAPPET AND SCREW ASSY, XL
This part is not available for sale.
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18515-58A - TAPPET AND SCREW ASSY, XL

  • Reference

    43

  • Part Number

    18515-58A

  • Description

    TAPPET AND SCREW ASSY, XL
This part is not available for sale.
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18534-29A - TAPPET LIFTER KIT

  • Reference

    44

  • Part Number

    18534-29A

  • Description

    TAPPET LIFTER KIT
This part is not available for sale.
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18554-57 - SCREW KIT, TAPPET ADJUSTING

  • Reference

    45

  • Part Number

    18554-57

  • Description

    SCREW KIT, TAPPET ADJUSTING
This part is not available for sale.
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18570-38 - NUT, TAPPET SCREW

  • Reference

    46

  • Part Number

    18570-38

  • Description

    NUT, TAPPET SCREW
This part is not available for sale.
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18607-57B - TAPPET GUIDE, XL

  • Reference

    47

  • Part Number

    18607-57B

  • Description

    TAPPET GUIDE, XL
This part is not available for sale.
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