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Your Headquarters For Harley Davidson After-market Parts
Your Headquarters For Harley Davidson After-market Parts

classic prodgroup Engine - Top End

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  • $44.27 - $44.27
    $44.27
    $47.33
    $47.33 - $47.33
    $47.33

    Flathead Headbolt Washer Kit Parkerized 1929 / 1952 WL 1929 / 1973 G 1937 / 1947 UL

    V-TWIN MANUFACTURING
    In stock

    Aluminum flathead headbolt washer kit with a parkerized finish. FITMENT 1929 / 1952 WL 1929 / 1973 G 1937 / 1947 UL ACCESSORY ITEMS49-094541-01...

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    $44.27 - $44.27
    $44.27
    $47.33
    $47.33 - $47.33
    $47.33
  • $112.69 - $112.69
    $112.69
    $133.33
    $133.33 - $133.33
    $133.33

    Chrome Headbolt 1929 / 1952 WL 1929 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Chrome stock headbolt with aluminum heads Order washers separatelyFITMENT 1929 / 1952 WL 1929 / 1973 G ACCESSORY ITEMS16-10197710-1816-00679698-18

    $112.69 - $112.69
    $112.69
    $133.33
    $133.33 - $133.33
    $133.33
  • Sold out
    $126.57 - $126.57
    $126.57
    $144.59
    $144.59 - $144.59
    $144.59

    Chrome Stock Headbolt with Aluminum Heads 1937 / 1948 UL

    V-TWIN MANUFACTURING
    Out of stock

    Chrome stock headbolt with aluminum heads. FITMENT 1937 / 1948 UL ACCESSORY ITEMS16-10197710-1816-00679698-18

    $126.57 - $126.57
    $126.57
    $144.59
    $144.59 - $144.59
    $144.59
    Sold out
  • $60.25 - $60.25
    $60.25
    $70.27
    $70.27 - $70.27
    $70.27

    Chrome Aluminum Head Washers 1929 / 1952 WL 1929 / 1973 G 1937 / 1947 UL

    V-TWIN MANUFACTURING
    In stock

    Chrome aluminum head washers FITMENT 1929 / 1952 WL 1929 / 1973 G 1937 / 1947 UL ACCESSORY ITEMS16-052941-016841-0151

    $60.25 - $60.25
    $60.25
    $70.27
    $70.27 - $70.27
    $70.27
  • $103.43 - $103.43
    $103.43
    $116.98
    $116.98 - $116.98
    $116.98

    Cadmium Headbolt 1929 / 1952 WL 1929 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Cadmium headbolt for side valve models FITMENT 1929 / 1952 WL 1929 / 1973 G ACCESSORY ITEMS16-10197710-1816-00679698-18

    $103.43 - $103.43
    $103.43
    $116.98
    $116.98 - $116.98
    $116.98
  • $95.71 - $95.71
    $95.71
    $108.24
    $108.24 - $108.24
    $108.24

    Cadmium Headbolt 1929 / 1952 WL 1929 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Cadmium headbolt stock with aluminum heads for 45 side valve models Order washers separatelyFITMENT 1929 / 1952 WL 1929 / 1973 G ACCESSORY ITEM...

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    $95.71 - $95.71
    $95.71
    $108.24
    $108.24 - $108.24
    $108.24
  • $104.92 - $104.92
    $104.92
    $118.67
    $118.67 - $118.67
    $118.67

    Cadmium Cylinder Headbolt 1937 / 1948 U 1931 / 1936 V

    V-TWIN MANUFACTURING
    In stock

    Cadmium cylinder headbolt for use on 74 and 80 Side Valve motors with aluminum heads. FITMENT 1937 / 1948 U 1931 / 1936 V ACCESSORY ITEMS11-17...

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    $104.92 - $104.92
    $104.92
    $118.67
    $118.67 - $118.67
    $118.67
  • $42.64 - $42.64
    $42.64
    $45.58
    $45.58 - $45.58
    $45.58

    Cadmium Headbolt Washer 1929 / 1952 WL 1929 / 1973 G 1937 / 1947 UL

    V-TWIN MANUFACTURING
    In stock

    Cadmium aluminum headbolt washer FITMENT 1929 / 1952 WL 1929 / 1973 G 1937 / 1947 UL ACCESSORY ITEMS11-176011-177931-010849-0909

    $42.64 - $42.64
    $42.64
    $45.58
    $45.58 - $45.58
    $45.58
  • $50.80 - $50.80
    $50.80
    $59.24
    $59.24 - $59.24
    $59.24

    Cadmium Head Nut Set 1942 / 1950 W

    V-TWIN MANUFACTURING
    In stock

    Head nut set with washers are cadmium finish for side valve models 3/8 -16 thread. FITMENT 1942 / 1950 W ACCESSORY ITEMS16-10192152-367710-182183-16

    $50.80 - $50.80
    $50.80
    $59.24
    $59.24 - $59.24
    $59.24
  • $40.07 - $40.07
    $40.07
    $48.24
    $48.24 - $48.24
    $48.24

    Lower Valve Cover Retainer 1939 / 1948 UL

    V-TWIN MANUFACTURING
    In stock

    Side valve lower valve cover retainer. Set of four.FITMENT 1939 / 1948 UL ACCESSORY ITEMS49-096349-196549-096149-0967

    $40.07 - $40.07
    $40.07
    $48.24
    $48.24 - $48.24
    $48.24
  • $29.04 - $29.04
    $29.04
    $32.57
    $32.57 - $32.57
    $32.57

    Valve Cover Washer 1939 / 1941 ULH 1939 / 1948 UL

    V-TWIN MANUFACTURING
    In stock

    Side valve valve cover washer FITMENT 1939 / 1941 ULH 1939 / 1948 UL ACCESSORY ITEMS16-052941-016841-0151

    $29.04 - $29.04
    $29.04
    $32.57
    $32.57 - $32.57
    $32.57
  • $215.34 - $215.34
    $215.34
    $259.81
    $259.81 - $259.81
    $259.81

    UL-ULH Valve Cover Chrome 1938 / 1948 UL 1938 / 1948 ULH

    V-TWIN MANUFACTURING
    Low stock

    UL and ULH chrome valve cover 4 piece. Kit includes retaining clips lock ring lower muffle cover retainer pushrod valve cover spring upper pus...

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    $215.34 - $215.34
    $215.34
    $259.81
    $259.81 - $259.81
    $259.81
  • $215.34 - $215.34
    $215.34
    $259.81
    $259.81 - $259.81
    $259.81

    UL-ULH Valve Cover Set Zinc 1939 / 1941 ULH 1939 / 1948 UL

    V-TWIN MANUFACTURING
    Low stock

    UL and ULH zinc valve cover set. FITMENT 1939 / 1941 ULH 1939 / 1948 UL ACCESSORY ITEMS10-036913-919110-0675REPLACEMENT PARTS49-096249-196813-0103

    $215.34 - $215.34
    $215.34
    $259.81
    $259.81 - $259.81
    $259.81
  • $36.31 - $36.31
    $36.31
    $43.31
    $43.31 - $43.31
    $43.31

    Valve Cover Lock Ring Zinc 1939 / 1948 UL

    V-TWIN MANUFACTURING
    Low stock

    Zinc valve cover lock ring FITMENT 1939 / 1948 UL ACCESSORY ITEMS49-196549-096749-096149-2580

    $36.31 - $36.31
    $36.31
    $43.31
    $43.31 - $43.31
    $43.31
  • $45.43 - $45.43
    $45.43
    $59.42
    $59.42 - $59.42
    $59.42

    Zinc ULH Retainer Clip 1939 / 1941 UL

    V-TWIN MANUFACTURING
    In stock

    Zinc ULH retainer clips. Set of four.FITMENT 1939 / 1941 UL ACCESSORY ITEMS16-052941-016841-0151

    $45.43 - $45.43
    $45.43
    $59.42
    $59.42 - $59.42
    $59.42
  • $45.80 - $45.80
    $45.80
    $53.41
    $53.41 - $53.41
    $53.41

    Chrome ULH Retainer Clip 1939 / 1948 UL 1939 / 1948 ULH

    V-TWIN MANUFACTURING
    In stock

    Chrome retainer clips. Set of four.FITMENT 1939 / 1948 UL 1939 / 1948 ULH ACCESSORY ITEMS49-096349-196549-096749-2580

    $45.80 - $45.80
    $45.80
    $53.41
    $53.41 - $53.41
    $53.41
  • Sold out
    $533.84 - $533.84
    $533.84
    $661.19
    $661.19 - $661.19
    $661.19

    6:1 High Compression Head Set Aluminum 1939 / 1946 WLD 1939 / 1952 W 1939 / 1973 G

    V-TWIN MANUFACTURING
    Out of stock

    Heads have a steel insert cast in to accept the 18mm spark plug. Combustion champer is 10.5mm deep.FITMENT 1939 / 1946 WLD 1939 / 1952 W 1939 /...

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    $533.84 - $533.84
    $533.84
    $661.19
    $661.19 - $661.19
    $661.19
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  • $73.83 - $73.83
    $73.83
    $89.22
    $89.22 - $89.22
    $89.22

    Replica Valve Cover Kit Zinc 1936 / 1941 GD 1936 / 1963 G 1936 / 1973 GE 1937 / 1941 WLDR 1937 / 1942 WL 1937 / 1942 WLD 1941 / 1944 WLA 1944 / 1951 WL

    V-TWIN MANUFACTURING
    In stock

    Replica zinc valve cover kit 8 piece FITMENT 1936 / 1941 GD 1936 / 1963 G 1936 / 1973 GE 1937 / 1941 WLDR 1937 / 1942 WL 1937 / 1942 WLD 19...

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    $73.83 - $73.83
    $73.83
    $89.22
    $89.22 - $89.22
    $89.22
  • Sold out
    $687.43 - $687.43
    $687.43
    $814.30
    $814.30 - $814.30
    $814.30

    Head Set Aluminum 1936 / 1948 U

    V-TWIN MANUFACTURING
    Out of stock

    Front and rear aluminum heads for 74 and 80 side valve models. FITMENT 1936 / 1948 U ACCESSORY ITEMS31-010811-176011-1779

    $687.43 - $687.43
    $687.43
    $814.30
    $814.30 - $814.30
    $814.30
    Sold out
  • $499.91 - $499.91
    $499.91
    $534.27
    $534.27 - $534.27
    $534.27

    5:1 Low Compression Head Set Aluminum 1940 / 1941 WLDR 1940 / 1942 WLD 1947 / 1957 WL

    V-TWIN MANUFACTURING
    In stock

    Heads have a steel insert cast in to accept the 18mm spark plug. Combustion chamber is 10.5mm deep.FITMENT 1940 / 1941 WLDR 1940 / 1942 WLD 1947...

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    $499.91 - $499.91
    $499.91
    $534.27
    $534.27 - $534.27
    $534.27
  • Sold out
    $2,228.00 - $2,228.00
    $2,228.00
    $2,228.00 - $2,228.00
    $2,228.00

    45 W Top End Kit 1933 / 1973 G 1936 / 1952 W

    V-TWIN MANUFACTURING
    Out of stock

    45 W Top end kit includes 45 valve cover kit 45 lifter kit valve spring kit front & rear 45 cylinder four sifton interchangeable intake/exh...

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    $2,228.00 - $2,228.00
    $2,228.00
    $2,228.00 - $2,228.00
    $2,228.00
    Sold out
  • Sold out
    $444.20 - $444.20
    $444.20
    $531.77
    $531.77 - $531.77
    $531.77

    45 Replica Rear Cylinder 1941 / 1973 G 1941 / 1952 W

    V-TWIN MANUFACTURING
    Out of stock

    Replica rear cylinder for 45 models 750cc features cast iron construction and is standard bore. The valve seats cut valve guides are included. A...

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    $444.20 - $444.20
    $444.20
    $531.77
    $531.77 - $531.77
    $531.77
    Sold out
  • $88.15 - $88.15
    $88.15
    $111.84
    $111.84 - $111.84
    $111.84

    Chrome Valve Cover Set 1936 / 1941 GD 1936 / 1963 G 1936 / 1973 GE 1937 / 1941 WLDR 1937 / 1942 WL 1941 / 1944 WLA 1942 / 1944 WLC

    V-TWIN MANUFACTURING
    In stock

    Chrome valve cover set is for side valve models. Order seal kit separately.FITMENT 1936 / 1941 GD 1936 / 1963 G 1936 / 1973 GE 1937 / 1941 WLDR ...

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    $88.15 - $88.15
    $88.15
    $111.84
    $111.84 - $111.84
    $111.84
  • Sold out
    $45.88 - $45.88
    $45.88
    $45.88 - $45.88
    $45.88

    Seal Ring Plate 1937 / 1952 W 1937 / 1973 G 1937 / 1948 UL

    V-TWIN MANUFACTURING
    Out of stock

    Side Valve seal ring plate Stamped from brass. Must be riveted in place.FITMENT 1937 / 1952 W 1937 / 1973 G 1937 / 1948 UL ACCESSORY ITEMS16-052...

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    $45.88 - $45.88
    $45.88
    $45.88 - $45.88
    $45.88
    Sold out