Skip to content
Your Headquarters For Harley Davidson After-market Parts
Your Headquarters For Harley Davidson After-market Parts

classic prodgroup Engine - Top End

Filters

  • Sold out
    $278.86 - $278.86
    $278.86
    $322.45
    $322.45 - $322.45
    $322.45

    45 inch WL/G Piston Kit .005 inch Oversize

    V-TWIN MANUFACTURING
    Out of stock

    .005 oversize piston kit with rings 2 wrist pins and 4 circlips for 45 inch models. Kit includes hasting ring set with 3/32 inch compression ring...

    View full details
    $278.86 - $278.86
    $278.86
    $322.45
    $322.45 - $322.45
    $322.45
    Sold out
  • Sold out
    $4,805.11 - $4,805.11
    $4,805.11
    $4,805.11 - $4,805.11
    $4,805.11

    74 inch Knucklehead Top End Kit

    V-TWIN MANUFACTURING
    Out of stock

    74 inch Knucklehead top end kit. FITMENT1941 / 1947 FL ACCESSORY ITEMS10-194110-095710-137710-1370REPLACEMENT PARTS11-090340-023949-0980

    $4,805.11 - $4,805.11
    $4,805.11
    $4,805.11 - $4,805.11
    $4,805.11
    Sold out
  • Sold out
    $39.62 - $39.62
    $39.62
    $52.54
    $52.54 - $52.54
    $52.54

    UL-WL Head Bolt Washer Set Zinc Plated 1929 / 1952 WLDR 1929 / 1973 G 1937 / 1947 UL

    V-TWIN MANUFACTURING
    Out of stock

    Zinc plated UL-WL head bolt washer set. Sold as an 18 piece set.FITMENT 1929 / 1952 WLDR 1929 / 1973 G 1937 / 1947 UL ACCESSORY ITEMS9698-1811-1...

    View full details
    $39.62 - $39.62
    $39.62
    $52.54
    $52.54 - $52.54
    $52.54
    Sold out
  • Sold out
    $41.62 - $41.62
    $41.62
    $41.82
    $41.82 - $41.82
    $41.82

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

    V-TWIN MANUFACTURING
    Out of stock

    Headbolt washer constructed of aluminum features a cadium plated finish. FITMENT 1929 / 1952 WL 1929 / 1973 G 1937 / 1947 UL ACCESSORY ITEMS11-...

    View full details
    $41.62 - $41.62
    $41.62
    $41.82
    $41.82 - $41.82
    $41.82
    Sold out
  • Sold out
    $51.40
    $51.40 - $51.40
    $51.40
    $49.96
    $49.96 - $49.96
    $49.96

    45 DL Intake Valve 1929 / 1931 DL

    V-TWIN MANUFACTURING
    Out of stock

    45 DL intake valve. FITMENT 1929 / 1931 DL ACCESSORY ITEMS11-154412-180312-1804

    $51.40
    $51.40 - $51.40
    $51.40
    $49.96
    $49.96 - $49.96
    $49.96
    Sold out
  • Sold out
    $51.40
    $51.40 - $51.40
    $51.40
    $49.96
    $49.96 - $49.96
    $49.96

    45 DL Exhaust Valve 1929 / 1931 DL

    V-TWIN MANUFACTURING
    Out of stock

    45 DL exhaust valve. FITMENT 1929 / 1931 DL ACCESSORY ITEMS11-154512-180312-1804

    $51.40
    $51.40 - $51.40
    $51.40
    $49.96
    $49.96 - $49.96
    $49.96
    Sold out
  • Sold out
    $185.64 - $185.64
    $185.64
    $201.00
    $201.00 - $201.00
    $201.00

    Piston Kit .080 Oversize 1929 / 1952 WL 1929 / 1949 G

    V-TWIN MANUFACTURING
    Out of stock

    Kit includes .080 pistons thick ring set wrist pin and lock piston that features a steel expansion strut cast in. Pistons have a steel expansion ...

    View full details
    $185.64 - $185.64
    $185.64
    $201.00
    $201.00 - $201.00
    $201.00
    Sold out
  • Sold out
    $205.63 - $205.63
    $205.63
    $206.75
    $206.75 - $206.75
    $206.75

    Parkerized Headbolt Kit 1936 / 1948 U

    V-TWIN MANUFACTURING
    Out of stock

    Parkerized stock headbolt kit includes washers. *NOTE: For use with V-Twin #11-1760 Aluminum Cylinder Head Set only.FITMENT 1936 / 1948 U TECH NOT...

    View full details
    $205.63 - $205.63
    $205.63
    $206.75
    $206.75 - $206.75
    $206.75
    Sold out
  • Sold out
    $215.34 - $215.34
    $215.34
    $242.49
    $242.49 - $242.49
    $242.49

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

    V-TWIN MANUFACTURING
    Out of 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...

    View full details
    $215.34 - $215.34
    $215.34
    $242.49
    $242.49 - $242.49
    $242.49
    Sold out
  • Sold out
    $215.34 - $215.34
    $215.34
    $242.49
    $242.49 - $242.49
    $242.49

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

    V-TWIN MANUFACTURING
    Out of 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
    $242.49
    $242.49 - $242.49
    $242.49
    Sold out
  • 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
  • Sold out
    $2,149.83 - $2,149.83
    $2,149.83
    $2,149.83 - $2,149.83
    $2,149.83

    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...

    View full details
    $2,149.83 - $2,149.83
    $2,149.83
    $2,149.83 - $2,149.83
    $2,149.83
    Sold out
  • 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...

    View full details
    $45.88 - $45.88
    $45.88
    $45.88 - $45.88
    $45.88
    Sold out
  • Sold out
    $215.34 - $215.34
    $215.34
    $242.49
    $242.49 - $242.49
    $242.49

    Valve Cover Set Zinc 1937 / 1938 UL

    V-TWIN MANUFACTURING
    Out of stock

    Zinc valve covers is a 12 piece set including valve cover seals. FITMENT 1937 / 1938 UL ACCESSORY ITEMS16-080514-017316-080616-0810REPLACEMENT PA...

    View full details
    $215.34 - $215.34
    $215.34
    $242.49
    $242.49 - $242.49
    $242.49
    Sold out
  • Sold out
    $51.86 - $51.86
    $51.86
    $51.86 - $51.86
    $51.86

    Valve Cover Wrench Set 1930 / 1936 VL 1936 / 1938 U

    V-TWIN MANUFACTURING
    Out of stock

    Parkerized wrench set includes both the upper and lower spanner. FITMENT 1930 / 1936 VL 1936 / 1938 U

    $51.86 - $51.86
    $51.86
    $51.86 - $51.86
    $51.86
    Sold out
  • Sold out
    $69.90 - $69.90
    $69.90
    $74.68
    $74.68 - $74.68
    $74.68

    Top End Gasket Kit 1930 / 1936 VL

    V-TWIN MANUFACTURING
    Out of stock

    Top end gasket kit Copper head gaskets are included.FITMENT 1930 / 1936 VL ACCESSORY ITEMS49-115549-013641-015119-0380REPLACEMENT PARTS15-0330

    $69.90 - $69.90
    $69.90
    $74.68
    $74.68 - $74.68
    $74.68
    Sold out
  • Sold out
    $72.75 - $72.75
    $72.75
    $77.84
    $77.84 - $77.84
    $77.84

    45 WR Valve Spring Set 1937 / 1952 W

    V-TWIN MANUFACTURING
    Out of stock

    Valve spring 4 piece set features a parkerized finish for 45 WR models. FITMENT 1937 / 1952 W ACCESSORY ITEMS10-180410-1819

    $72.75 - $72.75
    $72.75
    $77.84
    $77.84 - $77.84
    $77.84
    Sold out
  • Sold out
    $27.71 - $27.71
    $27.71
    $28.81
    $28.81 - $28.81
    $28.81

    Cast Iron .010 Oversize Valve Guide 1929 / 1952 WL 1929 / 1973 G 1952 / 1956 K

    V-TWIN MANUFACTURING
    Out of stock

    Cast iron .005 oversize valve guide is used for intake or exhaust. FITMENT 1929 / 1952 WL 1929 / 1973 G 1952 / 1956 K ACCESSORY ITEMS16-052941-...

    View full details
    $27.71 - $27.71
    $27.71
    $28.81
    $28.81 - $28.81
    $28.81
    Sold out
  • Sold out
    $949.40 - $949.40
    $949.40
    $1,145.41
    $1,145.41 - $1,145.41
    $1,145.41

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

    V-TWIN MANUFACTURING
    Out of stock

    45 W top end assembly is complete with front and rear cylinders standard fitted pistons with Hastings rings valves and guides installed with valv...

    View full details
    $949.40 - $949.40
    $949.40
    $1,145.41
    $1,145.41 - $1,145.41
    $1,145.41
    Sold out
  • Sold out
    $119.03 - $119.03
    $119.03
    $124.32
    $124.32 - $124.32
    $124.32

    45 Piston Kit Standard 1936 / 1952 W 1936 / 1973 G

    V-TWIN MANUFACTURING
    Out of stock

    45 standard piston kit is the original Harley-Davidson army surplus and includes the ring set. Sold as a set of 2.FITMENT 1936 / 1952 W 1936 / 19...

    View full details
    $119.03 - $119.03
    $119.03
    $124.32
    $124.32 - $124.32
    $124.32
    Sold out