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Your Headquarters For Harley Davidson After-market Parts

classic prodgroup Engine - Bottom End

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  • Sold out
    $93.75 - $93.75
    $93.75
    $106.46
    $106.46 - $106.46
    $106.46

    Scavenger Oil Pump Gear

    V-TWIN MANUFACTURING
    Out of stock

    Side Valve scavenger oil pump gear features a double evacuation window for more scaveging action. FITMENT1937 / 1952 UL 1937 / 1973 G ACCESSORY...

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    $93.75 - $93.75
    $93.75
    $106.46
    $106.46 - $106.46
    $106.46
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  • Sold out
    $53.44 - $53.44
    $53.44
    $53.44 - $53.44
    $53.44

    Scavenger Pump and Breather Valve Drive Gear

    V-TWIN MANUFACTURING
    Out of stock

    2022 New Production scavenger pump and breather valve drive gear for pinion shaft. 4 spline drive gear is used to drive the scavenger pump and brea...

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    $53.44 - $53.44
    $53.44
    $53.44 - $53.44
    $53.44
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  • Sold out
    $773.74 - $773.74
    $773.74
    $858.95
    $858.95 - $858.95
    $858.95

    Truett & Osborne Flywheel Set

    V-TWIN MANUFACTURING
    Out of stock

    Bare flywheels for Side Valve models feature original weight right and left sides. Tapers accept OE crank pin.FITMENT1941 / 1952 WL 1941 / 1973 G ...

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    $773.74 - $773.74
    $773.74
    $858.95
    $858.95 - $858.95
    $858.95
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  • Sold out
    $45.43 - $45.43
    $45.43
    $49.51
    $49.51 - $49.51
    $49.51

    45 inch Right Case Race

    V-TWIN MANUFACTURING
    Out of stock

    45 inch right case race. *NOTE: Must be honed to fit after installation.FITMENT1937 / 1952 WL 1937 / 1973 G ACCESSORY ITEMS10-021810-0255TECH NOT...

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    $45.43 - $45.43
    $45.43
    $49.51
    $49.51 - $49.51
    $49.51
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  • Sold out
    $460.34 - $460.34
    $460.34
    $480.27
    $480.27 - $480.27
    $480.27

    45 Complete Rod Set

    V-TWIN MANUFACTURING
    Out of stock

    2022 New Production 45 complete rod set for side valve models. FITMENT1929 / 1931 DL 1932 / 1936 WL 1937 / 1952 WL 1932 / 1973 G ACCESSORY ITE...

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    $460.34 - $460.34
    $460.34
    $480.27
    $480.27 - $480.27
    $480.27
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  • Sold out
    $597.39 - $597.39
    $597.39
    $698.47
    $698.47 - $698.47
    $698.47

    Sifton 45 Flywheel Assembly

    V-TWIN MANUFACTURING
    Out of stock

    Sifton 45 flywheel assembly is fully assembled and includes Sifton cast flywheel set with pin crank rods bushing and rollers with shafts. FITMEN...

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    $597.39 - $597.39
    $597.39
    $698.47
    $698.47 - $698.47
    $698.47
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  • Sold out
    $69.10 - $69.10
    $69.10
    $73.76
    $73.76 - $73.76
    $73.76

    45 inch Left Side Case Race Standard

    V-TWIN MANUFACTURING
    Out of stock

    45 inch left side standard case race is machined and ground to factory specifications. FITMENT1939 / 1952 WL 1939 / 1973 G ACCESSORY ITEMS10-022...

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    $69.10 - $69.10
    $69.10
    $73.76
    $73.76 - $73.76
    $73.76
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  • Sold out
    $119.03 - $119.03
    $119.03
    $124.32
    $124.32 - $124.32
    $124.32

    Zinc Rear Tappet Block Set

    V-TWIN MANUFACTURING
    Out of stock

    Zinc rear honed tappet block set. FITMENT1937 / 1973 G 1937 / 1952 WL 1929 / 1952 W 1930 / 1936 V 1937 / 1938 U ACCESSORY ITEMS8103-169622-16...

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    $119.03 - $119.03
    $119.03
    $124.32
    $124.32 - $124.32
    $124.32
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  • Sold out
    $39.22 - $39.22
    $39.22
    $39.32
    $39.32 - $39.32
    $39.32

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

    V-TWIN MANUFACTURING
    Out of 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 / 195...

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    $39.22 - $39.22
    $39.22
    $39.32
    $39.32 - $39.32
    $39.32
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  • Sold out
    $130.07 - $130.07
    $130.07
    $152.29
    $152.29 - $152.29
    $152.29

    Side Valve Feed Pump Upgrade 1937 / 1940 W 1952 / 1973 G 1952 / 1952 W 1937 / 1940 U

    V-TWIN MANUFACTURING
    Out of stock

    Feed pump upgrade for cast pump flat type as on 80 Side Valve and late G models. Includes rotor with 4 vanes for added oil pressure! Installatio...

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    $130.07 - $130.07
    $130.07
    $152.29
    $152.29 - $152.29
    $152.29
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  • Sold out
    $73.47 - $73.47
    $73.47
    $78.05
    $78.05 - $78.05
    $78.05

    Replica 45 Rod Cage Kit Steel 1929 / 1931 DL 1932 / 1936 WL 1937 / 1952 WL 1932 / 1973 G

    V-TWIN MANUFACTURING
    Out of stock

    Replica steel rod cage kit includes standard size roller set. Kit includes 4 cages with 24 short rollers featuring 12 1/4 x .270 rollers and 1/4 x...

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    $73.47 - $73.47
    $73.47
    $78.05
    $78.05 - $78.05
    $78.05
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  • Sold out
    $43.53 - $43.53
    $43.53
    $45.36
    $45.36 - $45.36
    $45.36

    Cam Cover Gasket 1937 / 1948 UL

    V-TWIN MANUFACTURING
    Out of stock

    Gear cover gasket for side valve FITMENT 1937 / 1948 UL ACCESSORY ITEMS16-052941-016841-0151

    $43.53 - $43.53
    $43.53
    $45.36
    $45.36 - $45.36
    $45.36
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  • Sold out
    $415.00 - $415.00
    $415.00
    $484.88
    $484.88 - $484.88
    $484.88

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

    V-TWIN MANUFACTURING
    Out of 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
    $484.88
    $484.88 - $484.88
    $484.88
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  • Sold out
    $546.28 - $546.28
    $546.28
    $660.35
    $660.35 - $660.35
    $660.35

    Sifton 45 WR Cam Set 1937 / 1973 G 1937 / 1952 W

    V-TWIN MANUFACTURING
    Out of stock

    Sifton 4 piece 45 WR cam set for use with bushings features the original design lobes by Tom Sifton in the late 1940's. For use with roller tapp...

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    $546.28 - $546.28
    $546.28
    $660.35
    $660.35 - $660.35
    $660.35
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  • Sold out
    $1,377.54 - $1,377.54
    $1,377.54
    $1,377.54 - $1,377.54
    $1,377.54

    V-Twin Stock Flywheel Assembly 1929 / 1931 DL 1932 / 1936 WL 1937 / 1952 WL 1937 / 1973 G 1937 / 1952 W

    V-TWIN MANUFACTURING
    Out of stock

    Shipped assembled and trued with shafts included. FITMENT 1929 / 1931 DL 1932 / 1936 WL 1937 / 1952 WL 1937 / 1973 G 1937 / 1952 W ACCESSORY ...

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    $1,377.54 - $1,377.54
    $1,377.54
    $1,377.54 - $1,377.54
    $1,377.54
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  • Sold out
    $1,447.60 - $1,447.60
    $1,447.60
    $1,447.60 - $1,447.60
    $1,447.60

    V-Twin Stock Flywheel Assembly 1937 / 1948 UL

    V-TWIN MANUFACTURING
    Out of stock

    Shipped complete assembled balanced and trued with shafts. FITMENT 1937 / 1948 UL ACCESSORY ITEMS16-052941-016841-0151REPLACEMENT PARTS10-10271...

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    $1,447.60 - $1,447.60
    $1,447.60
    $1,447.60 - $1,447.60
    $1,447.60
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  • Sold out
    $400.24 - $400.24
    $400.24
    $467.78
    $467.78 - $467.78
    $467.78

    UL Tappet Assembly and Base Kit 1939 / 1948 U 1939 / 1948 UL

    V-TWIN MANUFACTURING
    Out of stock

    Zinc plated non-threaded tappet assembly and base kit includes 4 tappet assemblies with adjuster screws and mount screw kit. Accepts 80 valve spri...

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    $400.24 - $400.24
    $400.24
    $467.78
    $467.78 - $467.78
    $467.78
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  • Sold out
    $194.71 - $194.71
    $194.71
    $195.77
    $195.77 - $195.77
    $195.77

    Engine Pinion Shaft 1937 / 1952 WL 1937 / 1973 G

    V-TWIN MANUFACTURING
    Out of stock

    Pinion shaft is precision ground for correct fitment. Shaft includes plug. FITMENT 1937 / 1952 WL 1937 / 1973 G ACCESSORY ITEMS10-043312-056010-...

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    $194.71 - $194.71
    $194.71
    $195.77
    $195.77 - $195.77
    $195.77
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  • Sold out
    $29.02 - $29.02
    $29.02
    $29.93
    $29.93 - $29.93
    $29.93

    Crank Pin Nut and Lock Kit 1929 / 1931 DL 1932 / 1936 WL 1937 / 1952 WL 1937 / 1973 G

    V-TWIN MANUFACTURING
    Out of stock

    Includes 2 nuts 2 locks and mount screws. Nuts and locks are also available separatelyFITMENT 1929 / 1931 DL 1932 / 1936 WL 1937 / 1952 WL 193...

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    $29.02 - $29.02
    $29.02
    $29.93
    $29.93 - $29.93
    $29.93
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  • Sold out
    $165.29 - $165.29
    $165.29
    $174.94
    $174.94 - $174.94
    $174.94

    Right Side Case Race Standard 1939 / 1952 WL 1939 / 1973 G

    V-TWIN MANUFACTURING
    Out of stock

    Standard right side case race is machined and ground to factory specifications. Race has an outer diameter of 1.753 . FITMENT 1939 / 1952 WL 193...

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    $165.29 - $165.29
    $165.29
    $174.94
    $174.94 - $174.94
    $174.94
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  • Sold out
    $754.69 - $754.69
    $754.69
    $938.53
    $938.53 - $938.53
    $938.53

    WLDR Cam and Tappet Kit 1936 / 1952 WLDR

    V-TWIN MANUFACTURING
    Out of stock

    Includes 4 piece cam set and 4 lightning tappets with screws. FITMENT 1936 / 1952 WLDR ACCESSORY ITEMS10-194710-194610-1804REPLACEMENT PARTS10-0543

    $754.69 - $754.69
    $754.69
    $938.53
    $938.53 - $938.53
    $938.53
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  • Sold out
    $280.53 - $280.53
    $280.53
    $324.43
    $324.43 - $324.43
    $324.43

    WR Lifter Set 1941 / 1973 WR

    V-TWIN MANUFACTURING
    Out of stock

    WR Lifter set is the competition shoe type lifter. FITMENT 1941 / 1973 WR

    $280.53 - $280.53
    $280.53
    $324.43
    $324.43 - $324.43
    $324.43
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  • Sold out
    $234.11 - $234.11
    $234.11
    $263.67
    $263.67 - $263.67
    $263.67

    UL Rear Rod Only 1937 / 1948 U 1937 / 1948 UL

    V-TWIN MANUFACTURING
    Out of stock

    UL rear male connecting rod with bushing and race. FITMENT 1937 / 1948 U 1937 / 1948 UL ACCESSORY ITEMS10-026516-0529

    $234.11 - $234.11
    $234.11
    $263.67
    $263.67 - $263.67
    $263.67
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  • Sold out
    $128.47 - $128.47
    $128.47
    $150.24
    $150.24 - $150.24
    $150.24

    45 WR Tappet Block Set 1937 / 1952 WL

    V-TWIN MANUFACTURING
    Out of stock

    WR Tappet block set is the flat style type for WR racing applications. This is a 4 piece set. For use with WR cam set. *NOTE: Hardened and fine gro...

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    $128.47 - $128.47
    $128.47
    $150.24
    $150.24 - $150.24
    $150.24
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