Engine
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V-Twin - 12-9948 - Scavenger Oil Pump Gear
Motorshop
$29.75V-Twin - 12-9948 - Scavenger Oil Pump Gear Description Oil pump scavenger gear*NOTE: Before assembly it is recommended to polish the bore, and face top of the pin next to the key way. Fits: XL...$29.75 -
V-Twin - 12-9943 - Pinion Shaft Drive Gear
S&S Cycle
$161.34V-Twin - 12-9943 - Pinion Shaft Drive Gear Description White pinion shaft drive gear, size 1.4751-1.4745 Fits: FXST 1984-1989 FX 1977-1984 FXR 1982-1989 FLST 1986-1989 FL 1977-1984 FLT...$161.34 -
V-Twin - 12-9942 - Pinion Shaft Drive Gear Green
S&S Cycle
$142.56V-Twin - 12-9942 - Pinion Shaft Drive Gear Green Description Pinion shaft gear is green size, fits Big Twin models. Green gear size is 1.4721- 1.4715". Fits: FXST 1984-1989 FX 1977-1984 FXR...$142.56 -
V-Twin - 12-9939 - Pinion Shaft Gear Black
Motorshop
$96.82V-Twin - 12-9939 - Pinion Shaft Gear Black Description Pinion shaft gear is black size, the smallest size gear. Black gear size is 1.4715- 1.4710". Fits: FXST 1984-1989 FX 1977-1984 FXR...$96.82 -
V-Twin - 12-9938 - Pinion Shaft Drive Gear Orange
S&S Cycle
$142.56V-Twin - 12-9938 - Pinion Shaft Drive Gear Orange Description Pinion shaft gear is orange size, the largest size gear. Orange gear size is 1.4756- 1.4751". Fits: FXST 1984-1989 FX...$142.56 -
V-Twin - 12-9930 - Oil Pump Assembly
Motorshop
$508.36V-Twin - 12-9930 - Oil Pump Assembly Description Oil pump assembly includes all parts assembled.Includes alternator roll pin, 3/8" clutch ball bearing, oil pump snap rings, oil pump body, oil pump...$508.36 -
V-Twin - 12-8955 - Replica Red Rocker Arm Nut Set Zinc Plated
Motorshop
$18.74V-Twin - 12-8955 - Replica Red Rocker Arm Nut Set Zinc Plated Description Replica rocker arm nut set has a thread size of 7/16 x 20. These hex nuts with red tops are zinc plated.Sold as a set of 4...$18.74 -
V-Twin - 12-8952 - Oil Pump Breather Valve Gear
Eastern Motorcycle Parts
$124.90V-Twin - 12-8952 - Oil Pump Breather Valve Gear Description Oil pump breather valve gear Fits: XL 1960-1971 Additional Information$124.90 -
V-Twin - 12-8951 - Oil Pump Breather Valve Gear
Eastern Motorcycle Parts
$124.90V-Twin - 12-8951 - Oil Pump Breather Valve Gear Description Oil pump breather valve gear. Fits: K 1956-1956 XL 1957-1959 Additional Information$124.90 -
V-Twin - 12-8950 - Oil Pump Breather Valve Gear
Eastern Motorcycle Parts
$124.90V-Twin - 12-8950 - Oil Pump Breather Valve Gear Description Oil pump breather valve gear Fits: K 1952-1955 Additional Information$124.90 -
V-Twin - 12-8001 - Oil Pump Assembly
S&S Cycle
MSRP: $460.49$391.20V-Twin - 12-8001 - Oil Pump Assembly Description S&S billet oil pump assembly for 1936-1972 Big Twin models.Assembly includes supply gears, return gears, drive shaft, drive shaft keys, drive shaft...MSRP: $460.49$391.20 -
V-Twin - 12-5240 - S&S Cam Installation Support Kit TC-88
S&S Cycle
$95.29V-Twin - 12-5240 - S&S Cam Installation Support Kit TC-88 Description S&S cam installation support kit for TC-88 models includes cam cover gasket, two inner cam needle bearings, two outer cam...$95.29 -
V-Twin - 12-4598 - .001 Engine Left Case Roller Bearing Set
Motorshop
$27.15V-Twin - 12-4598 - .001 Engine Left Case Roller Bearing Set Description Engine left case roller bearing set, .001 Fits: WL 1937-1952 WL 1932-1936 DL 1930-1931 G 1932-1973 Additional...$27.15 -
V-Twin - 12-4575 - Engine Right Case Roller Bearing Set .0004
Motorshop
$25.33V-Twin - 12-4575 - Engine Right Case Roller Bearing Set .0004 Description .0004 engine right case roller bearing set Fits: WL 1929-1952 FL 1954-1954 Additional Information$25.33 -
V-Twin - 12-4565 - Connecting Rod Long Roller Bearing .0008 - Fits 1957-1999 Harley-Davidson XL
V-Twin Mfg
$34.42Connecting rod roller bearing is .0008 oversize, long type Fits: XL 1957-1999 Additional Information UOM 100 - PK$34.42 -
V-Twin - 12-2556 - Connecting Rod Bearing Set
S&S Cycle
$141.09V-Twin - 12-2556 - Connecting Rod Bearing Set Description S&S connecting rod bearing set with 3 steel cages fitted with standard size Torrington rollers for connecting rods. Fits: UL...$141.09 -
V-Twin - 12-2523 - Oil Pump Chain Adjuster Screw
Eastern Motorcycle Parts
$17.86V-Twin - 12-2523 - Oil Pump Chain Adjuster Screw Description Chain oil adjuster screw with slot head. Sold each. Fits: FL 1970-1984 FXST 1984-1998 FXR 1982-1994 FLT 1979-1998 FX...$17.86 -
V-Twin - 12-2122 - Rocker Arm Shim
Eastern Motorcycle Parts
$16.58V-Twin - 12-2122 - Rocker Arm Shim Description Rocker arm shim 10 pack. Fits: FLT 1979-1983 FX 1971-1984 FXR 1982-1983 FL 1966-1984 Additional Information$16.58 -
V-Twin - 12-2116 - Rocker Arm Spacer
Eastern Motorcycle Parts
$20.48V-Twin - 12-2116 - Rocker Arm Spacer Description Used in between each pair of rocker arms these spacers are sold in a pack of 10. Fits: XL 1957-1983 Additional Information$20.48 -
V-Twin - 12-2115 - Rocker Arm Spacer
Motorshop
$23.88V-Twin - 12-2115 - Rocker Arm Spacer Description Used in between each pair of rocker arms these spacers are sold in a pack of 4. Fits: FLT 1979-1983 FX 1971-1984 FXR 1982-1983 FL...$23.88 -
V-Twin - 12-2114 - Rocker Arm Stud Set
Motorshop
$33.62V-Twin - 12-2114 - Rocker Arm Stud Set Description Replica Panhead rocker arm eight piece stud set. Fits: FL 1948-1965 Additional Information$33.62 -
V-Twin - 12-2107 - Top Engine Mount Stud Set
Motorshop
$23.40V-Twin - 12-2107 - Top Engine Mount Stud Set Description Top engine mount stud set.Washers and nuts not included. Sold as a set of 4. Fits: FX 1971-1984 FL 1948-1984 Additional...$23.40 -
V-Twin - 12-2106 - Rocker Box Cover Zinc Finish Stud Set
Motorshop
$39.62V-Twin - 12-2106 - Rocker Box Cover Zinc Finish Stud Set Description Rocker box stud set for one head. Fits: FLT 1979-1983 FX 1971-1984 FXR 1982-1983 FL 1966-1984 Additional Information$39.62 -
V-Twin - 12-2103 - Cylinder Base Stud Set
Motorshop
$23.51V-Twin - 12-2103 - Cylinder Base Stud Set Description Cylinder base stud set features heat treating and interference thread at cylinder base. Fits: XL 1972-1985 Additional Information$23.51 -
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
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.