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Eastern M/C Parts
5120 Hilda Rd
Blackville, SC 29817
Ph  803-284-3304
Fax 800-553-3401
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____**EASTERN MOTORCYCLE PARTS**____
**CYLINDER HEAD**
**KNUCKLEHEAD 61" & 74"**
**BIG TWIN 1936-1947**
























































____*5120 HILDA ROAD*  BLACKVILLE,SC 29817  *803-284-3304*____
*Pg 18*
**PAGE 18**

____**EASTERN MOTORCYCLE PARTS**____
**CYLINDER HEAD**
**KNUCKLEHEAD 61" & 74"**
**BIG TWIN 1936-1947**

        EASTERN      OEM
        NUMBER      NUMBER           DESCRIPTION
    1	C-3017-100    6469       pk-100  FLAT WASHERS, **CHROME** BIG TWIN 1946-1947
    2	A-6473        6473       pk-25   WASHER **29/64 X 51/64 X 1/16” THICK** (ZINC PLATED)
    3	A-6475        6475       pk-25   WASHER **7/16 X 13/16 X 1/16” THICK** (BRASS) BIG TWIN 1936-1947
    4	A-6520        6520       pk-25   WASHER **29/64 X 1-1/8 X 3/32” THICK** (ZINC PLATED)
    5	A-6762B       6762B      pk-10   WASHER, PUSHROD TUBE **.030 THICK** BIG TWIN 1936-PRESENT
    6	36-0234       7045       pk-100  LOCK WASHERS, **HI-COLLAR 3/8” ** (ZINC PLATED)
    7	36-0210       7055       pk-100  LOCK WASHERS, **REGULAR 7/16” ** (ZINC PLATED)
    8	35-0546       7825       pk-10   NYLOCK NUT, **7/16-20 THREAD** (CADMIUM PLATED)
    9	M-4-4596      16483-36   each    CYLINDER ONLY (FRONT) **61” KNUCKLEHEAD** BIG TWIN 1936-1947
	M-4-4597      16490-36   each    CYLINDER ONLY (REAR) **61” KNUCKLEHEAD** BIG TWIN 1936-1947
	M-4-4598                 pair    CYLINDER ONLY (F & R) **61” KNUCKLEHEAD** BIG TWIN 1936-1947
    10	M-4-4567      16483-41   each    CYLINDER ONLY (FRONT) **74” KNUCKLEHEAD** BIG TWIN 1941-1947
	M-4-4568      16492-41   each    CYLINDER ONLY (REAR) **74” KNUCKLEHEAD** BIG TWIN 1941-1947
	M-4-4569                 pair    CYLINDER ONLY (F & R) **74” KNUCKLEHEAD** BIG TWIN 1941-1947
    11	L-3-675       16770-36   pair    HEAD GASKETS **FIRE-RING** (1/16” THICK) BIG TWIN 1936-1947
	L-3-851       16770-36   pair    HEAD GASKETS **BLUE TEFLON** BIG TWIN 1936-1947
	L-3-852       16770-36   pair    HEAD GASKETS **COPPER** BIG TWIN 1936-1947
    12	L-3-963       16774-21   pk-10   CYLINDER BASE GASKETS, FRONT AND REAR, BIG TWIN 1936-1947
    13	40-0150       16831-30   pk-4    CYLINDER BASE STUDS **2-1/16” LONG** BIG TWIN 1930-1977
    14	K-2-880       16853-48   each    TOP MOTOR MOUNT **CHROME** BIG TWIN 1936-1947
    15	A-17435-39    17435-39   each    ROCKER ARM SHAFT (FRONT INTAKE) BIG TWIN 1936-1947
	A-17438-39    17438-39   each    ROCKER ARM SHAFT (REAR INTAKE) BIG TWIN 1936-1947
	A-17441-39    17441-39   each    ROCKER ARM SHAFT (FRONT EXHAUST) BIG TWIN 1936-1947
	A-17444-39    17444-39   each    ROCKER ARM SHAFT (REAR EXHAUST) BIG TWIN 1936-1947
	A-17445-SET              set-4   ROCKER ARM SHAFTS (F&R INTAKE, F&R EXHAUST) BIG TWIN 1936-1947
		                         SET INCLUDES: (1) 17435-39, (1) 17438-39, (1) 17441-39, (1) 17444-39
	40-0170                  set-4   ROCKER ARM SHAFTS (.005 OVERSIZE) BIG TWIN 1936-1947
	40-0180                  set-4   ROCKER ARM SHAFTS (.010 OVERSIZE) BIG TWIN 1936-1947
    16	A-17475-38    17475-38   pk-4    ROCKER ARM OIL SEALS, (LATHE CUT) BIG TWIN 1936-1947
	A-17475-38B   17475-38   pk-4    ROCKER ARM OIL SEALS, (OEM STYLE) BIG TWIN 1936-1947
    17	A-17947-36    17947-36   pk-10   SPRINGS, PUSHROD COVER BIG TWIN 1936-PRESENT
    18	L-3-805       17955-36   pk-25   PUSHROD CORKS **UPPER** BIG TWIN 1936-1979
    19	E-600         18071-36   each    VALVE **INTAKE** (PLAIN FINISH) BIG TWIN 1936-1947
	E-600-N       18071-36   each    VALVE **INTAKE** (NITRIDE FINISH) BIG TWIN 1936-1947
	E-600-1                  each    VALVE **INTAKE** (PLAIN FINISH) **1/8 OVERSIZE** BIG TWIN 1936-1947
	E-600-1-N                each    VALVE **INTAKE** (NITRIDE) **1/8 OVERSIZE** BIG TWIN 1936-1947
    20	E-610         18081-36   each    VALVE **EXHAUST** (PLAIN FINISH) BIG TWIN 1936-1947
	E-610-N       18081-36   each    VALVE **EXHAUST** (NITRIDE FINISH) BIG TWIN 1936-1947
	E-610-1                  each    VALVE **EXHAUST** (PLAIN FINISH)**1/8 OVERSIZE** BIG TWIN 1936-1947
	E-610-1-N                each    VALVE **EXHAUST** (NITRIDE) **1/8 OVERSIZE** BIG TWIN 1936-1947
    21	L-3-565       18265-37   pk-10   VALVE GUIDE GASKET **BOTTOM** BIG TWIN 1936-1947
    22	A-18491-36    18491-36   each    TAPPET ASSEMBLY, INTAKE (STD) BIG TWIN 1936-1947
	A-18491-78               each    TAPPET ASSEMBLY, INTAKE (.005) BIG TWIN 1936-1947
	A-18491-93               each    TAPPET ASSEMBLY, INTAKE (.010) BIG TWIN 1936-1947
    23	A-18493-36               each    TAPPET ASSEMBLY, EXHAUST (STD) BIG TWIN 1936-1947
	A-18493-78               each    TAPPET ASSEMBLY, EXHAUST (.005) BIG TWIN 1936-1947
	A-18493-93               each    TAPPET ASSEMBLY, EXHAUST (.010) BIG TWIN 1936-1947
    24	A-18534-29A   18534-29A  set-4   TAPPET ROLLERS, WITH PINS **USA** BIG TWIN 1929-1984
	A-18534-29B              set-4   TAPPET ROLLERS, WITH PINS **IMPORTED** BIG TWIN 1929-1984
	A-18534-87    18545-29   pk-10   TAPPET ROLLER PINS, BIG TWIN 1929-1984



____*5120 HILDA ROAD*  BLACKVILLE,SC 29817  *803-284-3304*____
*Pg 19*
**PAGE 19**

____**EASTERN MOTORCYCLE PARTS**____
**CYLINDER HEAD**
**KNUCKLEHEAD 61" & 74"**
**BIG TWIN 1936-1947**

        EASTERN      OEM
        NUMBER      NUMBER           DESCRIPTION
    25	A-18555-36    18555-36   set-4   TAPPET SCREWS, BIG TWIN 1936-1984
	A-18570-38    18570-38   pk-10   TAPPET NUTS, BIG TWIN 1936-1984
    26	L-3-949       18632-36   pk-10   TAPPET GUIDE GASKETS (FRONT AND REAR) BIG TWIN 1936-1947
    27	E-826-STD     22141-48   pair    PISTON WITH HASTINGS RINGS **61” 7-1/2 TO 1 COMP.** B/T 1936-1947
	E-826-010     22143-48   pair    PISTON WITH HASTINGS RINGS **61” 7-1/2 TO 1 COMP.** B/T 1936-1947
	E-826-020     22144-48   pair    PISTON WITH HASTINGS RINGS **61” 7-1/2 TO 1 COMP.** B/T 1936-1947
	E-826-030     22145-48   pair    PISTON WITH HASTINGS RINGS **61” 7-1/2 TO 1 COMP.** B/T 1936-1947
	E-826-040     22146-48   pair    PISTON WITH HASTINGS RINGS **61” 7-1/2 TO 1 COMP.** B/T 1936-1947
	E-826-050     22147-48   pair    PISTON WITH HASTINGS RINGS **61” 7-1/2 TO 1 COMP.** B/T 1936-1947
	E-826-060     22148-48   pair    PISTON WITH HASTINGS RINGS **61” 7-1/2 TO 1 COMP.** B/T 1936-1947
	E-826-070     22149-48   pair    PISTON WITH HASTINGS RINGS **61” 7-1/2 TO 1 COMP.** B/T 1936-1947
	E-826-080                pair    PISTON WITH IMPORTED RINGS **61” 7-1/2 TO 1 COMP.** B/T 1936-1947
    28	H-7024-STD    22325-36   set-2   PISTON RINGS, HASTINGS **61” 7-1/2 TO 1 COMP.** BIG TWIN 1936-1947
	H-7024-010    22327-36   set-2   PISTON RINGS, HASTINGS **61” 7-1/2 TO 1 COMP.** BIG TWIN 1936-1947
	H-7024-020    22328-36   set-2   PISTON RINGS, HASTINGS **61” 7-1/2 TO 1 COMP.** BIG TWIN 1936-1947
	H-7024-030    22329-36   set-2   PISTON RINGS, HASTINGS **61” 7-1/2 TO 1 COMP.** BIG TWIN 1936-1947
	H-7024-040    22330-36   set-2   PISTON RINGS, HASTINGS **61” 7-1/2 TO 1 COMP.** BIG TWIN 1936-1947
	H-7024-050    22331-36   set-2   PISTON RINGS, HASTINGS **61” 7-1/2 TO 1 COMP.** BIG TWIN 1936-1947
	H-7024-060    22332-36   set-2   PISTON RINGS, HASTINGS **61” 7-1/2 TO 1 COMP.** BIG TWIN 1936-1947
	H-7024-070    22333-36   set-2   PISTON RINGS, HASTINGS **61” 7-1/2 TO 1 COMP.** BIG TWIN 1936-1947
	H-7024-080               set-2   PISTON RINGS, IMPORTED **61” 7-1/2 TO 1 COMP.** BIG TWIN 1936-1947
	H-7024-090               set-2   PISTON RINGS, IMPORTED **61” 7-1/2 TO 1 COMP.** BIG TWIN 1936-1947
	H-7024-100               set-2   PISTON RINGS, IMPORTED **61” 7-1/2 TO 1 COMP.** BIG TWIN 1936-1947






























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