Engine
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V-Twin - 12-2102 - Cylinder Base Stud Set - Fits 1957-1971 Harley-Davidson XL
V-Twin Mfg
$19.86Cylinder base stud set features heat treating and interference thread at cylinder base. Fits: XL 1957-1971 Additional Information OEM No. 16830-54$19.86
V-Twin - 12-2100 - Cylinder Base Stud Set - Fits 1971-1977 Harley-Davidson FX, 1937-1948 UL, 1930-1934 VL, 1936-1940 EL, 1941-1977 FL
V-Twin Mfg
$23.51Parkerized stud features heat treating and interference thread at cylinder base. Fits: FX 1971-1977 UL 1937-1948 VL 1930-1934 EL 1936-1940 FL 1941-1977 Additional Information$23.51
V-Twin - 12-2070 - Crankcase Breather Valve
S&S Cycle
$159.90V-Twin - 12-2070 - Crankcase Breather Valve Description Crankcase breather valve features 4 steel reed valves that will allow air and oil mist to escape from the engine crankcase.Breather fits...$159.90
V-Twin - 12-1995 - Distributor Drive Cam Chest Gear
Motorshop
$101.69V-Twin - 12-1995 - Distributor Drive Cam Chest Gear Description Distributor drive cam chest gear with thin profile gear features a solid style.The tooth wide is .350" for extra clearance. Check...$101.69
V-Twin - 12-1953 - Cam Chest Breather Valve Plastic .005 Oversize
V-Twin Mfg
$19.86V-Twin - 12-1953 - Cam Chest Breather Valve Plastic .005 Oversize Description Plastic breather valve is .005 oversize. Fits: FXST 1984-1999 FLT 1977-1999 FXD 1991-1999 FXR 1982-1994 FLST 1986-1999...$19.86
V-Twin - 12-1949 - Reed Breather Valve Stock Assembly
S&S Cycle
$199.91V-Twin - 12-1949 - Reed Breather Valve Stock Assembly Description S&S reed breather valve assembly with 3 steel reeds for Evolution models.S&S reed breather valve assembly features 3 steel reeds...$199.91
V-Twin - 12-1945 - Cam Chest Breather Air Ramp
Motorshop
$36.24V-Twin - 12-1945 - Cam Chest Breather Air Ramp Description Cam chest breather air ramp breather gear removes more air and oil from crankcase.Requires removal of screen for installation. Gear must...$36.24
V-Twin - 12-1944 - Replica Oil Pump Assembly
Motorshop
$628.68V-Twin - 12-1944 - Replica Oil Pump Assembly Description Replica oil pump assembly includes cast outer cover without rotator. Pump is fitted with the late type oil pump relief valve kit. Body is...$628.68
V-Twin - 12-1941 - 45 Connecting Rod Bearing Set
Motorshop
$49.88V-Twin - 12-1941 - 45 Connecting Rod Bearing Set Description New Old Stock" 45 connecting rod bearing set .0008 oversize includes cages. Fits: W 1929-1952 G 1929-1972 Additional...$49.88
V-Twin - 12-1803 - 45 inch DL Cylinder Head Stud Set
Colony Machine
MSRP: $68.18$61.36V-Twin - 12-1803 - 45 inch DL Cylinder Head Stud SetDescription45" DL cylinder head 3/8" x 24 stud set.Sold as a 14 piece set. Fits:DL 1929-1935Additional InformationMSRP: $68.18$61.36
V-Twin - 12-1772 - Scavenger Oil Pump Idler Gear - Fits 1972-1976 Harley-Davidson XL
V-Twin Mfg
$38.43Oil Pump Scavenger Idler Gear, 1972-1976 XL-XLCH. Fits:XL 1972-1976Additional Information OEM No.26317-72A UOM$38.43
V-Twin - 12-1766 - Pushrod 3/16 inch Steel Ball Bearing - Fits 1948-1952 Harley-Davidson FL
V-Twin Mfg
$14.21Steel pushrod ball bearing 3/16".Sold as a pack of 10. Fits:FL 1948-1952Additional Information OEM No.8854$14.21
V-Twin - 12-1762 - Oil Pump Feed Pin - Fits 1961-1971 Harley-Davidson XL (Late 1961)
V-Twin Mfg
$18.23Pin is for late 1961-1971 Sportster oil pumps. Pin measures .094 x .488.A oil pump feed gear is required to use, order separately. Fits:XL 1961-1971 Late 1961Additional Information$18.23
V-Twin - 12-1752 - Oil Pump Feed Gear
Eastern Motorcycle Parts
MSRP: $39.22$34.94V-Twin - 12-1752 - Oil Pump Feed GearDescriptionOil pump feed gear. Fits:XL 1972-1976K 1954-1956XL 1957-1962 Early 1962Additional Information <MSRP: $39.22$34.94
V-Twin - 12-1569 - UL Oil Pump Screw Kit
Motorshop
$27.12V-Twin - 12-1569 - UL Oil Pump Screw KitDescriptionUL oil pump screw kit is the longer needle taper style. Fits:U 1937-1948Additional Information$27.12
V-Twin - 12-1567 - Oil Pump Assembly - Fits 1941-1947 Harley-Davidson FL
V-Twin Mfg
$152.17Oil pump assembly includes four gears and keys to fit shaft key ways. Fits:FL 1941-1947Additional Information UOM1 - EA$152.17
V-Twin - 12-1563 - Oil Pump Assembly
Motorshop
$428.74V-Twin - 12-1563 - Oil Pump AssemblyDescriptionReplica oil pump is fully assembled. Fits:XL 1986-1990Additional Information OEM N$428.74
V-Twin - 12-1562 - Oil Pump Assembly
Motorshop
$543.91V-Twin - 12-1562 - Oil Pump AssemblyDescriptionReplica oil pump is fully assembled.*NOTE: Gaskets not included, must order separately. Fits:XL 1977-1985Additional Information$543.91
V-Twin - 12-1561 - Cam Chest Breather Valve Standard Size
Motorshop
$105.50V-Twin - 12-1561 - Cam Chest Breather Valve Standard SizeDescriptionThis standard size sifton cam chest breather valve is constructed of precision ground steel with screen installed.Order thrust...$105.50
V-Twin - 12-1555 - Side Valve Dowel Pins - Fits 1941-1973 Harley-Davidson G, 1941-1952 W
V-Twin Mfg
$19.68Side Valve dowel pin #223.Sold as a pack of 10. Fits:G 1941-1973W 1941-1952Additional Information OEM No.223$19.68
V-Twin - 12-1554 - Scavenger Pump and Breather Valve Drive Gear
Motorshop
$98.09V-Twin - 12-1554 - Scavenger Pump and Breather Valve Drive GearDescription2023 New production scavenger pump and breather valve drive gear for pinion shaft. 6 spline drive gear is used to drive the...$98.09
V-Twin - 12-1551 - Replica Oil Pump Feed Pin - Fits 1962-1971 Harley-Davidson XL (Late 1962)
V-Twin Mfg
$8.91Replica pin is for 1961-1974 oil pumps measure .094 x .488. Fits:XL 1962-1971 Late 1962Additional Information OEM No.240$8.91
V-Twin - 12-1550 - Breather Gear Valve Washer Set
Motorshop
$34.18V-Twin - 12-1550 - Breather Gear Valve Washer SetDescriptionBreather gear valve washer set includes 6 sizes: .070, .075, .080, .085, .090 and .095. Fits:EL 1936-1952FL 1941-1952Additional Information$34.18
V-Twin - 12-1547 - Cam Ball Bearing Set
Motorshop
$54.47V-Twin - 12-1547 - Cam Ball Bearing SetDescriptionThis 4 piece cam ball bearing set is for use on WR type conversions on 45 models. Cam center shaft must be turned down to accept ball bearings.*NOTE:...$54.47
V-Twin - 12-1545 - Cadmium Plated Replica Oil Pump Cover
Motorshop
$147.17V-Twin - 12-1545 - Cadmium Plated Replica Oil Pump CoverDescriptionCadmium plated Replica cast cover is to replace original with oil line fitting. Fits:EL 1936-1940Additional Information$147.17
V-Twin - 12-1544 - Left Side Crankcase Bearing Kit
Motorshop
MSRP: $78.22$77.43V-Twin - 12-1544 - Left Side Crankcase Bearing KitDescriptionLeft side crankcase bearing kit. Includes bearing, spacer , washer and snap ring.*NOTE: Heavy duty main bearing for left side use only on...MSRP: $78.22$77.43
V-Twin - 12-1542 - Cam Chest Oil Strainer Kit
Motorshop
$30.20V-Twin - 12-1542 - Cam Chest Oil Strainer KitDescriptionCam chest oil strainer kit includes strainer, gasket, and pin. Fits:WL 1937-1952K 1954-1956G 1937-1973XL 1957-1976Additional Information$30.20
V-Twin - 12-1539 - Pinion Shaft Nylon Gear Spacer - Fits 1984-1989 Harley-Davidson FXST, 1971-1984 FX, 1982-1989 FXR, 1986-1989 FLST, 1954-1984 FL, 1979-1989 FLT
V-Twin Mfg
$24.24Pinion shaft gear spacer is made of nylon. Fits:FXST 1984-1989FX 1971-1984FXR 1982-1989FLST 1986-1989FL 1954-1984FLT 1979-1989Additional Information$24.24
V-Twin - 12-1537 - Cam Chest Steel Breather Gear
Motorshop
$82.40V-Twin - 12-1537 - Cam Chest Steel Breather GearDescriptionCam chest breather gear, made of steel.Order washers separately. Fits:FX 1977-1984FXD 1977-1998FLST 1977-1998FLT 1977-1998FL 1977-1984FXST...$82.40
V-Twin - 12-1533 - Cam Chest Air and Oil Separator - Fits 1991-1999 Harley-Davidson FXD, FLST, 1991-1998 FXST, 1991-1999 FLT, 1991-1994 FXR
V-Twin Mfg
$33.53Cam chest air and oil separator. Fits:FXD 1991-1999FLST 1991-1999FXST 1991-1998FLT 1991-1999FXR 1991-1994Additional Information$33.53
V-Twin - 12-1531 - Cam Chest Breather Valves Plastic - Fits 1977-1984 Harley-Davidson FX, 1977-1998 FXD, FLST, FLT, 1977-1984 FL, 1977-1998 FXST, 1977-1994 FXR
V-Twin Mfg
$26.11Plastic breather valve for Big Twin models. Fits:FX 1977-1984FXD 1977-1998FLST 1977-1998FLT 1977-1998FL 1977-1984FXST 1977-1998FXR 1977-1994Additional Information$26.11
V-Twin - 12-1530 - Cam Chest Breather Valve Washer Set
Eastern Motorcycle Parts
MSRP: $32.73$30.60V-Twin - 12-1530 - Cam Chest Breather Valve Washer SetDescriptionCam chest breather valve washer set, contains 1 of each sizes: .130, .135, .140, .145, .150, .155, .160, .165. Washer set is plastic...MSRP: $32.73$30.60
V-Twin - 12-1529 - Tappet Oil Screen
Eastern Motorcycle Parts
MSRP: $19.88$17.85V-Twin - 12-1529 - Tappet Oil ScreenDescriptionTappet oil screen is exact replacement OEM 24975-63 Fits:FL 1963-1965Additional InformationMSRP: $19.88$17.85
V-Twin - 12-1527 - Pinion Shaft Seal Ring
Eastern Motorcycle Parts
$28.79V-Twin - 12-1527 - Pinion Shaft Seal RingDescriptionPinion shaft seal ring fits Big Twin Side Valve models. Fits:UL 1940-1948 74" and 80"Additional Information$28.79
V-Twin - 12-1526 - Pinion Shaft Seal Ring
Eastern Motorcycle Parts
$28.79V-Twin - 12-1526 - Pinion Shaft Seal RingDescriptionPinion shaft seal ring Fits:WL 1939-1952G 1939-1973Additional Information$28.79
V-Twin - 12-1525 - Pinion Shaft Seal Ring
Motorshop
MSRP: $22.30$20.85V-Twin - 12-1525 - Pinion Shaft Seal RingDescriptionPinion shaft seal ring. Fits:FL 1940-1953Additional Information UOM1MSRP: $22.30$20.85
V-Twin - 12-1524 - Oil Pump Feed Pin - Fits 1962-1971 Harley-Davidson XL (Late 1962)
V-Twin Mfg
$17.68Pin is for 1961-1971 oil pumps measure .094 x .488.A oil pump feed gear is required to use, order separately. Fits:XL 1962-1971 Late 1962Additional Information$17.68
V-Twin - 12-1522 - Tappet Oil Screen
Motorshop
$35.34V-Twin - 12-1522 - Tappet Oil ScreenDescriptionTappet oil screen is exact replacement OEM 24975-52 Fits:FL 1952-1962Additional Information$35.34
V-Twin - 12-1521 - Pinion Shaft Gear Spacer Steel
Eastern Motorcycle Parts
$24.87V-Twin - 12-1521 - Pinion Shaft Gear Spacer SteelDescriptionPinion shaft gear spacer is made of steel. Fits:FL 1954-1969Additional Information$24.87
V-Twin - 12-1520 - Pinion Shaft Gear Spacer
Motorshop
$22.96V-Twin - 12-1520 - Pinion Shaft Gear SpacerDescriptionPinion shaft gear spacer fits early Big Twin models. Fits:FL 1940-1953Additional Information$22.96
Harley Engine
At Deadbeat Customs, we offer a wide selection of Harley engine parts built for performance, reliability, and long-lasting power. Whether you're rebuilding a vintage motor or upgrading a modern setup, we’ve got the top-end and bottom-end components you need to get the job done right.
We carry engine parts for a wide range of Harley Davidson models, including Dyna, Sportster, FXR, Touring, Softail, Shovelhead, and Panhead. From the classic Evo 1340 and Shovelhead to Twin Cam 88/96/103/110, and the modern Milwaukee-Eight 107/114/117, our catalog covers nearly every era of Harley engine design.
Choose from trusted brands like S&S Cycle, Fueling, Vance & Hines, and more—known for producing high-quality components that meet or exceed OEM standards.
Explore our full collection of Harley engine parts today and build your motor with confidence—because whether it’s vintage or modern, your Harley deserves the best from the inside out.