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

classic prodgroup Engine - Bottom End

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  • $24.16 - $24.16
    $24.16
    $27.11
    $27.11 - $27.11
    $27.11

    Oil Pump Feed Valve Spring 1937 / 1952 WL 45"1937 / 1973 G 45"1937 / 1948 UL 74 and 80" side valve"

    V-TWIN MANUFACTURING
    In stock

    Oil pump feed valve spring FITMENT 1937 / 1952 WL 45"1937 / 1973 G 45"1937 / 1948 UL 74 and 80" side valve"ACCESSORY ITEMS16-052941-016841-0151

    $24.16 - $24.16
    $24.16
    $27.11
    $27.11 - $27.11
    $27.11
  • $23.86 - $23.86
    $23.86
    $24.34
    $24.34 - $24.34
    $24.34

    Oil Pump Bypass Valve Spring 1941 / 1952 WL 45"1941 / 1948 UL 74 and 80" side valves"1941 / 1973 G 45"

    V-TWIN MANUFACTURING
    In stock

    Oil pump bypass valve spring for side valve models FITMENT 1941 / 1952 WL 45"1941 / 1948 UL 74 and 80" side valves"1941 / 1973 G 45"ACCESSORY ITEM...

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    $23.86 - $23.86
    $23.86
    $24.34
    $24.34 - $24.34
    $24.34
  • $22.42 - $22.42
    $22.42
    $25.15
    $25.15 - $25.15
    $25.15

    Pushrod Valve Cover Spring 1939 / 1948 UL 74 and 80" side valves"

    V-TWIN MANUFACTURING
    In stock

    4 piece Valve Cover Spring set FITMENT 1939 / 1948 UL 74 and 80" side valves"ACCESSORY ITEMS16-052941-016841-0151

    $22.42 - $22.42
    $22.42
    $25.15
    $25.15 - $25.15
    $25.15
  • $23.80 - $23.80
    $23.80
    $34.55
    $34.55 - $34.55
    $34.55

    Pinion Shaft Seal Ring 1940 / 1948 UL 74 and 80""

    V-TWIN MANUFACTURING
    In stock

    Pinion shaft seal ring. FITMENT 1940 / 1948 UL 74 and 80""ACCESSORY ITEMS16-052941-016841-0151

    $23.80 - $23.80
    $23.80
    $34.55
    $34.55 - $34.55
    $34.55
  • $23.80 - $23.80
    $23.80
    $34.55
    $34.55 - $34.55
    $34.55

    Pinion Shaft Seal Ring 1939 / 1952 WL 1939 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Pinion shaft seal ring FITMENT 1939 / 1952 WL 1939 / 1973 G ACCESSORY ITEMS10-062641-016841-015110-0578

    $23.80 - $23.80
    $23.80
    $34.55
    $34.55 - $34.55
    $34.55
  • $109.17 - $109.17
    $109.17
    $138.44
    $138.44 - $138.44
    $138.44

    Cam Chest Idler Gear 1936 / 1948 UL 1930 / 1936 VL 1937 / 1948 U

    V-TWIN MANUFACTURING
    In stock

    Cam chest idler gear has 42 teeth. FITMENT 1936 / 1948 UL 1930 / 1936 VL 1937 / 1948 U ACCESSORY ITEMS12-019712-091510-080615-0217

    $109.17 - $109.17
    $109.17
    $138.44
    $138.44 - $138.44
    $138.44
  • $23.75 - $23.75
    $23.75
    $29.71
    $29.71 - $29.71
    $29.71

    Oil Pump Adjuster Screw 1941 / 1952 WL 45"1941 / 1973 G 45"1941 / 1948 UL 74 and 80""

    V-TWIN MANUFACTURING
    In stock

    Oil pump adjuster screw FITMENT 1941 / 1952 WL 45"1941 / 1973 G 45"1941 / 1948 UL 74 and 80""MEASURMENTSOverall Length: .930 inchesHead: .359 inch...

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    $23.75 - $23.75
    $23.75
    $29.71
    $29.71 - $29.71
    $29.71
  • $41.38 - $41.38
    $41.38
    $49.70
    $49.70 - $49.70
    $49.70

    Oil Pump Feed Vane 1937 / 1952 WL 45"1937 / 1973 G 45"1937 / 1948 UL 74 and 80""

    V-TWIN MANUFACTURING
    In stock

    Oil pump feed vane FITMENT 1937 / 1952 WL 45"1937 / 1973 G 45"1937 / 1948 UL 74 and 80""ACCESSORY ITEMS16-052941-016841-0151

    $41.38 - $41.38
    $41.38
    $49.70
    $49.70 - $49.70
    $49.70
  • $41.96 - $41.96
    $41.96
    $50.18
    $50.18 - $50.18
    $50.18

    Relief Pipe 1937 / 1952 WL Except 1942 WLA1937 / 1973 G 1937 / 1948 UL 74 and 80""

    V-TWIN MANUFACTURING
    In stock

    Relief pipe with gasket for Side Valve models. Requires 10/32 x 1/2 fillister screw (036).FITMENT 1937 / 1952 WL Except 1942 WLA1937 / 1973 G 19...

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    $41.96 - $41.96
    $41.96
    $50.18
    $50.18 - $50.18
    $50.18
  • $71.50 - $71.50
    $71.50
    $86.66
    $86.66 - $86.66
    $86.66

    45 W&G Idler Gear 1936 / 1952 W 1936 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    45 W&G Cam chest idler gear. FITMENT 1936 / 1952 W 1936 / 1973 G ACCESSORY ITEMS49-064549-101649-0606

    $71.50 - $71.50
    $71.50
    $86.66
    $86.66 - $86.66
    $86.66
  • $93.74 - $93.74
    $93.74
    $106.01
    $106.01 - $106.01
    $106.01

    Scavenger Oil Pump Gear 1937 / 1952 UL 1937 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Scavenger oil pump gear for side valve FITMENT 1937 / 1952 UL 1937 / 1973 G ACCESSORY ITEMS49-137012-128112-137849-0836

    $93.74 - $93.74
    $93.74
    $106.01
    $106.01 - $106.01
    $106.01
  • $28.96 - $28.96
    $28.96
    $32.50
    $32.50 - $32.50
    $32.50

    Scavenger Oil Pump Idler Gear 1937 / 1952 WL 45"1937 / 1973 G 45"1937 / 1948 UL 74 and 80""

    V-TWIN MANUFACTURING
    In stock

    Scavenger idler oil pump gear for Side Valve models. FITMENT 1937 / 1952 WL 45"1937 / 1973 G 45"1937 / 1948 UL 74 and 80""ACCESSORY ITEMS16-052941...

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    $28.96 - $28.96
    $28.96
    $32.50
    $32.50 - $32.50
    $32.50
  • $28.96 - $28.96
    $28.96
    $32.50
    $32.50 - $32.50
    $32.50

    Scavenger Oil Pump Drive Gear 1937 / 1952 WL 45"1937 / 1948 UL 74 and 80""

    V-TWIN MANUFACTURING
    In stock

    Scavenger oil pump drive gear for Side Valve models. FITMENT 1937 / 1952 WL 45"1937 / 1948 UL 74 and 80""

    $28.96 - $28.96
    $28.96
    $32.50
    $32.50 - $32.50
    $32.50
  • $23.04 - $23.04
    $23.04
    $25.84
    $25.84 - $25.84
    $25.84

    Right and Left Case Bearing Retainer 1939 / 1952 WL 1939 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Right and left case bearing retainer FITMENT 1939 / 1952 WL 1939 / 1973 G ACCESSORY ITEMS16-052941-016841-0151

    $23.04 - $23.04
    $23.04
    $25.84
    $25.84 - $25.84
    $25.84
  • $35.53 - $35.53
    $35.53
    $39.85
    $39.85 - $39.85
    $39.85

    Pinion/Sprocket 45 Shaft Nut 1929 / 1931 DL 1932 / 1936 WL 1937 / 1952 WL 1932 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Pinion/sprocket 45 Shaft Nut Nut is for use on pinion and sprocket shaft on 45 W & G models.FITMENT 1929 / 1931 DL 1932 / 1936 WL 1937 / 195...

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    $35.53 - $35.53
    $35.53
    $39.85
    $39.85 - $39.85
    $39.85
  • $29.85 - $29.85
    $29.85
    $33.49
    $33.49 - $33.49
    $33.49

    Crank Pin Nut Set 1929 / 1931 DL 1932 / 1936 WL 1937 / 1952 WL 1937 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Crank pin nut set only. Set of two. *NOTE: Also used on mainshaft sprocket.FITMENT 1929 / 1931 DL 1932 / 1936 WL 1937 / 1952 WL 1937 / 1973 G M...

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    $29.85 - $29.85
    $29.85
    $33.49
    $33.49 - $33.49
    $33.49
  • $40.07 - $40.07
    $40.07
    $48.24
    $48.24 - $48.24
    $48.24

    Crankcase Sprocket Shaft Roller Bearing Retainer 1929 / 1931 DL 1932 / 1952 WL 1932 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Crankcase Sprocket Shaft Roller Bearing Retainer Sold as a pair. *NOTE: Some applications use a 1.35 O.D. cage.FITMENT 1929 / 1931 DL 1932 / 1952...

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    $40.07 - $40.07
    $40.07
    $48.24
    $48.24 - $48.24
    $48.24
  • $36.24 - $36.24
    $36.24
    $40.66
    $40.66 - $40.66
    $40.66

    Cam Chest Circuit Breaker Drive Gear 1937 / 1952 WL 1937 / 1973 G 1937 / 1948 UL

    V-TWIN MANUFACTURING
    In stock

    Cam chest circuit breaker drive gear. FITMENT 1937 / 1952 WL 1937 / 1973 G 1937 / 1948 UL ACCESSORY ITEMS16-052941-016841-0151

    $36.24 - $36.24
    $36.24
    $40.66
    $40.66 - $40.66
    $40.66
  • $26.16 - $26.16
    $26.16
    $32.30
    $32.30 - $32.30
    $32.30

    Idler Gear Stud Screw 1932 / 1936 WL 1937 / 1952 WL 1932 / 1973 G 1937 / 1948 UL 1932 / 1937 VL

    V-TWIN MANUFACTURING
    In stock

    Idler gear stud screw for Side Valve models. FITMENT 1932 / 1936 WL 1937 / 1952 WL 1932 / 1973 G 1937 / 1948 UL 1932 / 1937 VL ACCESSORY ITEM...

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    $26.16 - $26.16
    $26.16
    $32.30
    $32.30 - $32.30
    $32.30
  • $9.86 - $9.86
    $9.86
    $10.64
    $10.64 - $10.64
    $10.64

    Side Valve Scavenger Oil Pump Screen 1939 / 1952 WL 1939 / 1973 G 1939 / 1948 UL

    V-TWIN MANUFACTURING
    In stock

    Side valve scavenger pump screen. FITMENT 1939 / 1952 WL 1939 / 1973 G 1939 / 1948 UL ACCESSORY ITEMS16-052941-016841-0151

    $9.86 - $9.86
    $9.86
    $10.64
    $10.64 - $10.64
    $10.64
  • $415.00 - $415.00
    $415.00
    $496.80
    $496.80 - $496.80
    $496.80

    Side Valve Feed Pump Kit 1937 / 1952 W 1937 / 1973 G 1937 / 1948 U

    V-TWIN MANUFACTURING
    In stock

    Side valve feed pump kit includes complete cast iron pump assembly feed pump upgrade and mount kit. Kit includes a cast iron oil pump assembly wh...

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    $415.00 - $415.00
    $415.00
    $496.80
    $496.80 - $496.80
    $496.80
  • $28.04 - $28.04
    $28.04
    $35.24
    $35.24 - $35.24
    $35.24

    Pinion Shaft Parts Kit 1937 / 1973 WL 1937 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Kit includes pinion shaft seal ring and pinion shaft ring spring. FITMENT 1937 / 1973 WL 1937 / 1973 G ACCESSORY ITEMS16-052941-016841-0151REPLA...

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    $28.04 - $28.04
    $28.04
    $35.24
    $35.24 - $35.24
    $35.24
  • $24.29 - $24.29
    $24.29
    $30.90
    $30.90 - $30.90
    $30.90

    Pinion Shaft Parts Kit 1940 / 1948 UL

    V-TWIN MANUFACTURING
    In stock

    Pinion shaft parts kit includes pinion shaft seal ring and ring springs. FITMENT 1940 / 1948 UL ACCESSORY ITEMS16-052941-016841-0151REPLACEMENT P...

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    $24.29 - $24.29
    $24.29
    $30.90
    $30.90 - $30.90
    $30.90
  • $130.07 - $130.07
    $130.07
    $166.57
    $166.57 - $166.57
    $166.57

    Sifton Pinion Right Side Case Race Standard 1940 / 1948 UL 74 and 80""

    V-TWIN MANUFACTURING
    In stock

    Sifton standard right side case race is machined and ground to factory specifications. Race has an outer diameter of 2.0015 FITMENT 1940 / 1948 UL...

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    $130.07 - $130.07
    $130.07
    $166.57
    $166.57 - $166.57
    $166.57