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Your Headquarters For Harley Davidson After-market Parts
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classic prodgroup Engine - Top End

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    $50.80
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    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
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    $49.37
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    $40.07
    $40.20
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    $40.20

    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
    $40.20
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    $40.20
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    $29.04
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    $29.04
    $26.82
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    $26.82

    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
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    $29.04
    $26.82
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    $26.82
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    $36.31
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    $36.31
    $36.08
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    $36.08

    Valve Cover Lock Ring Zinc 1939 / 1948 UL

    V-TWIN MANUFACTURING
    In stock

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

    $36.31
    $36.31 - $36.31
    $36.31
    $36.08
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    $36.08
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  • $45.43 - $45.43
    $45.43
    $49.51
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    $49.51

    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
    $49.51
    $49.51 - $49.51
    $49.51
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    $45.80
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    $44.51
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    $44.51

    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
    $45.80
    $44.51
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    $44.51
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  • $533.84 - $533.84
    $533.84
    $645.32
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    $645.32

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

    V-TWIN MANUFACTURING
    In 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
    $645.32
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    $645.32
  • $73.83 - $73.83
    $73.83
    $78.52
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    $78.52

    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
    $78.52
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    $78.52
  • $499.91 - $499.91
    $499.91
    $521.45
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    $521.45

    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
    $521.45
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    $521.45
  • $444.20 - $444.20
    $444.20
    $519.01
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    $519.01

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

    V-TWIN MANUFACTURING
    In 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
    $519.01
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    $519.01
  • $88.15 - $88.15
    $88.15
    $100.27
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    $100.27

    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
    $100.27
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    $100.27
  • $909.49 - $909.49
    $909.49
    $1,102.29
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    $1,102.29

    45 WL/G Front/Rear Cylinder Kit 1929 / 1952 W 1937 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Front and rear cylinder with 2 pistons rings valve guides and intake manifold nipples installed. For 45 cubic inch Side Valve WL and G Servi-Car...

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    $909.49 - $909.49
    $909.49
    $1,102.29
    $1,102.29 - $1,102.29
    $1,102.29
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    $19.86
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    $19.86
    $17.87
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    $17.87

    Long Headbolt 1965 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Long headbolt for side valve models FITMENT 1965 / 1973 G ACCESSORY ITEMS16-052941-016841-0151

    $19.86
    $19.86 - $19.86
    $19.86
    $17.87
    $17.87 - $17.87
    $17.87
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  • $471.54 - $471.54
    $471.54
    $491.86
    $491.86 - $491.86
    $491.86

    45 OE Front Cylinder 1929 / 1952 WL 1929 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    New Old Stock 1940's army surplus front cylinder from Dixie. Features an army cosmolene oil coating. Does not include piston or guide.FITMENT 1929...

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    $471.54 - $471.54
    $471.54
    $491.86
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    $491.86
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    $214.19
    $215.36
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    $215.36

    Valve Cover Set 1930 / 1936 VL

    V-TWIN MANUFACTURING
    In stock

    Valve cover set includes zinc upper valve spring covers and chrome lower covers. FITMENT 1930 / 1936 VL MEASURMENTSLower Cover I.D.: 1-3/16 inche...

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    $214.19 - $214.19
    $214.19
    $215.36
    $215.36 - $215.36
    $215.36
  • $72.75 - $72.75
    $72.75
    $77.84
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    $77.84

    Brass Head Primer Cups 1930 / 1936 VL 1937 / 1938 UL 1936 / 1938 EL

    V-TWIN MANUFACTURING
    In stock

    Head primer cups are for Flathead and Overhead Valve models and features a solid brass construction for exact applications or restoration. Includes...

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    $72.75 - $72.75
    $72.75
    $77.84
    $77.84 - $77.84
    $77.84
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    $19.88
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    $19.88
    $17.89
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    $17.89

    Valve Cover O-Ring and Gasket Kit 1930 / 1936 VL 1937 / 1938 U

    V-TWIN MANUFACTURING
    Low stock

    Valve cover gaskets and orings kit for Colony style internal o-ring seal. FITMENT 1930 / 1936 VL 1937 / 1938 U ACCESSORY ITEMS2885-242886-2416-0...

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    $19.88
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    $19.88
    $17.89
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    $17.89
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    $52.77
    $52.77 - $52.77
    $52.77
    $51.29
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    $51.29

    Valve Spring Cover Wrench Set 1930 / 1936 VL 1937 / 1948 U

    V-TWIN MANUFACTURING
    Low stock

    Valve spring cover wrench set used on threaded type valve covers. FITMENT 1930 / 1936 VL 1937 / 1948 U ACCESSORY ITEMS16-080516-081016-041441-0151

    $52.77
    $52.77 - $52.77
    $52.77
    $51.29
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    $51.29
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    $22.55
    $22.55 - $22.55
    $22.55
    $20.83
    $20.83 - $20.83
    $20.83

    Valve Cover Seal Set 1939 / 1948 U

    V-TWIN MANUFACTURING
    In stock

    Valve cover seal set. FITMENT 1939 / 1948 U ACCESSORY ITEMS16-052941-016841-0151

    $22.55
    $22.55 - $22.55
    $22.55
    $20.83
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    $20.83
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  • $249.16 - $249.16
    $249.16
    $250.52
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    $250.52

    Valve Cover Set 1939 / 1948 U

    V-TWIN MANUFACTURING
    In stock

    Cadmium plated valve cover set. FITMENT 1939 / 1948 U ACCESSORY ITEMS14-078515-025616-0414

    $249.16 - $249.16
    $249.16
    $250.52
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    $250.52
  • $101.00 - $101.00
    $101.00
    $102.41
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    $102.41

    Lower Valve Spring Cover Kit 1952 / 1956 K

    V-TWIN MANUFACTURING
    In stock

    Lower valve spring cover kit includes covers o-rings and gaskets. FITMENT 1952 / 1956 K ACCESSORY ITEMS16-034511-091114-0173

    $101.00 - $101.00
    $101.00
    $102.41
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    $102.41
  • $113.20 - $113.20
    $113.20
    $114.78
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    $114.78

    Valve Cover Set Cadmium Plated 1930 / 1930 W 1930 / 1930 G

    V-TWIN MANUFACTURING
    In stock

    Cadmium plated valve cover set includes valve spring covers and gasket used on 1930 45 Twins. FITMENT 1930 / 1930 W 1930 / 1930 G TECH NOTESSug...

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    $113.20 - $113.20
    $113.20
    $114.78
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    $114.78
  • $208.70 - $208.70
    $208.70
    $209.84
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    $209.84

    Cadmium Plated Valve Cover Set 1937 / 1938 UL

    V-TWIN MANUFACTURING
    In stock

    Cadmium plated valve spring covers and gaskets designed with internal o-ring for a positive seal. FITMENT 1937 / 1938 UL ACCESSORY ITEMS42-01054...

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    $208.70 - $208.70
    $208.70
    $209.84
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    $209.84
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    $209.84
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    $209.84

    Cadmium Plated Valve Cover Set 1930 / 1936 VL

    V-TWIN MANUFACTURING
    In stock

    Cadmium plated valve spring covers and gaskets designed with internal o-ring for a positive seal. FITMENT 1930 / 1936 VL ACCESSORY ITEMS42-01054...

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    $208.70 - $208.70
    $208.70
    $209.84
    $209.84 - $209.84
    $209.84