Explore the   individual components that make up the  Cylinders-w-heads_-valves-and-tappets of your  XLCH-SPORTSTER.

Each genuine part is composed of smaller components, and every component has its own OEM number and detailed information to help you understand and identify every element within this assembly.

Please select the OEM part number from the list below to view more details:

(2)    4017  BOLT, 5/16-18 X 1 HEX. HD.
(3)    4640  BOLT, 7/16-20 X 1 HEX. HD.
(4)    4709  SCREW, 7/16-20 X 3-1/2 12 PT. HD.
(5)    6334  WASHER, 7/16 X 15/16 X 1/8
(6)    6469HW  WASHER, 7/16 X 3/4 X 1/8
(8)    6762B  WASHER, 11/16 X 29/32 X 1/32
(9)    7775  LOCKNUT, 3/8-24 X 7/16 X 9/16 HEX.
(10)    11100  O-RING, TAPPET GUIDE
(11)    11101  O-RING, PUSH ROD COVER, LOWER (8/4 - 84 & LAT
(12)    11132  O-RING, PUSH ROD COVER
(14)    16250-57  BRACKET, MOTOR SUPPORT (BLACK)
(15)    16464-73C  FRONT CYLINDER AND PISTON
(15)    16465-73C  REAR CYLINDER AND PISTON
(16)    16603-72  NUT. 3/8-24 X 1/2 X 9/16 HEX.
(17)    16673-73D  FRONT CYLINDER HEAD
(17)    16674-73D  REAR CYLINDER HEAD
(18)    16769-73  HEAD GASKET
(18)    16769-82  HEAD GASKET, LOW COMPRESSION
(19)    16774-72  BASE GASKET
(20)    17024-71  GASKET SET, ENGINE
(20)    17037-60  TOP OVERHAUL GASKET SET
(22)    17536-70  GASKET, ROCKER ARM COVER
(23)    17904-57  PUSH ROD
(24)    17935-79B  COVER, PUSH ROD, UPPER USE REF # 12A
(25)    17937-79  COVER, PUSH ROD, LOWER USE REF # 11
(26)    17945-36B  SPRING RETAINER, PUSH ROD
(27)    17947-36  SPRING, PUSH ROD COVER
(28)    17950-48  SPRING KEEPER, PUSH ROD COVER
(32)    18055-70  INSERT, INTAKE VALVE SEAT (REPAIR)
(35)    18168-79A  VALVE GUIDE, EXHAUST - 0.004" O.S. O.D.
(35)    18170-57B  VALVE GUIDE, EXHAUST - STANDARD
(35)    18171-57B  VALVE GUIDE, EXHAUST - 0.002" O.S. O.D.
(35)    18172-57B  VALVE GUIDE, EXHAUST - 0.001" O.S. O.D.
(36)    18176-57C  VALVE GUIDE, INTAKE - STANDARD
(36)    18179-57C  VALVE GUIDE, INTAKE - 0.001" O.S. O.D.
(36)    18180-57C  VALVE GUIDE, INTAKE - 0.002" O.S. O.D.
(36)    18191-79A  VALVE GUIDE, INTAKE - 0.004" O.S. O. D.
(37)    18203-57A  VALVE SPRING, OUTER
(38)    18204-57A  VALVE SPRING, INNER
(39)    18220-57  COLLAR, VALVE SPRING LOWER
(40)    18221-57B  COLLAR, VALVE SPRING UPPER
(41)    18228-30  VALVE KEY (PAIR)
(42)    18508-52B  TAPPET ASSEMBLY, COMPLETE - LESS SCREW AND NU
(43)    18515-58A  TAPPET ASSEMBLY, COMPLETE - WITH SCREW AND NU
(44)    18534-29A  TAPPET ROLLER KIT
(45)    18554-57  TAPPET SCREW AND NUT
(46)    18570-38  NUT, TAPPET SCREW
(47)    18607-57B  TAPPET GUIDE

How to Use This Page?

Select an OEM number: Choose the specific part you're interested in from the list above.

View Component Details: Access detailed information about the components that make up the part, including their OEM numbers and descriptions.

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Need Assistance?

If you have questions or if you need help identifying a specific OEM number, please refer to your service manual or contact us for support.