Engine
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V-Twin - 12-1402 - Oil Pressure Switch
Motorshop
$46.00V-Twin - 12-1402 - Oil Pressure SwitchDescriptionReplica oil pressure switches are precision calibrated and feature heavy contacts, brass pressure ferrules, thermo- plastic insulators and brightly...$46.00 -
V-Twin - 12-1401 - Side Valve Oil Pressure Switch
Motorshop
MSRP: $42.33$41.48V-Twin - 12-1401 - Side Valve Oil Pressure SwitchDescriptionSide Valve oil pressure switch has a 4-6 pound range. Switch is for use with 45, 74 and 80 flathead models.*NOTE: Must use a brass sealing...MSRP: $42.33$41.48 -
V-Twin - 12-1400 - Cam Shaft Tachometer Drive Gear
Motorshop
$53.33V-Twin - 12-1400 - Cam Shaft Tachometer Drive GearDescriptionTachometer drive gear press fits onto cam shaft. Fits:XL 1971-1980Additional Information$53.33 -
V-Twin - 12-1399 - Cam Chest Pinion Gear
Motorshop
$35.34V-Twin - 12-1399 - Cam Chest Pinion GearDescriptionPinion shaft gear is standard type and features 21 teeth. Fits:FL 1941-1953EL 1936-1940Additional Information$35.34 -
V-Twin - 12-1397 - Cam Chest Idler Gear
Motorshop
MSRP: $71.37$70.65V-Twin - 12-1397 - Cam Chest Idler GearDescriptionCam chest idler gear.Gear features 51 teeth. ...MSRP: $71.37$70.65 -
V-Twin - 12-1393 - Cam Chest Idler Gear With Holes
Motorshop
$92.10V-Twin - 12-1393 - Cam Chest Idler Gear With HolesDescriptionCam chest idler gear with holes includes pressed in bearing.*NOTE: Bushings my require reaming to fit the idler and circuit breaker studs...$92.10 -
V-Twin - 12-1392 - Oil Pump Drive Gear
Eastern Motorcycle Parts
MSRP: $41.42$36.90V-Twin - 12-1392 - Oil Pump Drive GearDescriptionOil pump drive gear Fits:FXST 1984-1989FXR 1984-1989FLST 1986-1989FLT 1984-1989Additional InformationMSRP: $41.42$36.90 -
V-Twin - 12-1389 - Cam Chest Drive Gear For High Lift Cam
S&S Cycle
MSRP: $385.05$368.05V-Twin - 12-1389 - Cam Chest Drive Gear For High Lift CamDescriptionS&S cam chest distributor drive gear features narrow tooth width for a large cam. Drive gear is for high lift cams.*NOTE: Bushings...MSRP: $385.05$368.05 -
V-Twin - 12-1388 - Cam Chest Idler Gear
S&S Cycle
MSRP: $289.11$277.42V-Twin - 12-1388 - Cam Chest Idler GearDescriptionCam chest idler gear.Order shim separately to fit. ...MSRP: $289.11$277.42 -
V-Twin - 12-1380 - Oil Pump Drive Gear
Sifton
$56.89V-Twin - 12-1380 - Oil Pump Drive GearDescriptionSplined oil pump drive gear Fits:XL 1977-1987Additional Information OEM No.$56.89 -
V-Twin - 12-1379 - Pinion Shaft Standard Size Gear
Motorshop
MSRP: $72.13$71.41V-Twin - 12-1379 - Pinion Shaft Standard Size GearDescriptionOEM style pinion shaft gear is standard type and features 21 teeth with a 1.4510" outer diameter. Fits:FX 1971-1977FL 1954-1977Additional...MSRP: $72.13$71.41 -
V-Twin - 12-1378 - Scavenger Pump and Breather Valve Drive Gear
Motorshop
MSRP: $94.08$27.93V-Twin - 12-1378 - Scavenger Pump and Breather Valve Drive GearDescriptionScavenger pump and breather valve drive gear for pinion shaft. 6 spline drive gear is used to drive the scavenger pump and...MSRP: $94.08$27.93 -
V-Twin - 12-1292 - Oil Pump Expansion Type Passage Plug - Fits 1948-1969 Harley-Davidson FL
V-Twin Mfg
$22.31Expansion type head plug for oil pump Fits:FL 1948-1969Additional Information OEM No.16825-48 UOM10 -$22.31 -
V-Twin - 12-1288 - Pinion Shaft Yellow Size Gear
Jims
MSRP: $216.59$204.67V-Twin - 12-1288 - Pinion Shaft Yellow Size GearDescriptionPinion shaft gear is yellow size, the smallest size gear. Fits:FX 1971-1977FL 1954-1977Additional InformationMSRP: $216.59$204.67 -
V-Twin - 12-1287 - Pinion Shaft Green Size Gear
Motorshop
$57.92V-Twin - 12-1287 - Pinion Shaft Green Size GearDescriptionPinion shaft gear is green size, which is the smallest size gear. Fits:FX 1971-1977FL 1954-1977Additional Information$57.92 -
V-Twin - 12-1286 - Cam Gear Thrust Washers .040 inch - Fits 1952-1956 Harley-Davidson K, 1971-1972 FX, 1957-1972 XL
V-Twin Mfg
$27.71Thin type cam gear thrust washers, .040" features an oiled finish.Sold as a pack of 5. Fits: K 1952-1956 FX 1971-1972 XL 1957-1972 Additional Information$27.71 -
V-Twin - 12-1280 - Rear Chain Oil Kit Zinc Plated
Motorshop
$22.96V-Twin - 12-1280 - Rear Chain Oil Kit Zinc PlatedDescriptionZinc plated rear chain oiler kit. The fitting is installed between the oil pressure switch and oil pump body.The fitting has adjustment...$22.96 -
V-Twin - 12-1275 - Pinion Shaft Yellow Size Gear
Motorshop
MSRP: $242.60$73.67V-Twin - 12-1275 - Pinion Shaft Yellow Size GearDescriptionPinion shaft gear is yellow size, the smallest size gear. Fits:FX 1971-1977FL 1954-1977Additional InformationMSRP: $242.60$73.67 -
V-Twin - 12-1273 - Pinion Shaft White Size Gear
Motorshop
$98.88V-Twin - 12-1273 - Pinion Shaft White Size GearDescriptionPinion shaft gear is white size. White gear size is 1.43". Fits:FX 1971-1977FL 1954-1977Additional Information$98.88 -
V-Twin - 12-1265 - Pinion Shaft White Size Gear
Motorshop
$53.33V-Twin - 12-1265 - Pinion Shaft White Size GearDescriptionPinion shaft gear is white size. Fits:FL 1941-1953EL 1936-1940Additional Information$53.33 -
V-Twin - 12-1259 - 45 W&G Idler Gear
Motorshop
MSRP: $80.25$79.44V-Twin - 12-1259 - 45 W&G Idler GearDescription45 W&G Cam chest idler gear. Fits:G 1936-1973W 1936-1952Additional InformationMSRP: $80.25$79.44 -
V-Twin - 12-1258 - Cam Shaft Shim
Eastern Motorcycle Parts
MSRP: $20.54$17.45V-Twin - 12-1258 - Cam Shaft ShimDescriptionCam shaft shim .015 size Fits:XL 1957-1985Additional Information OEM No.6778MSRP: $20.54$17.45 -
V-Twin - 12-1257 - Scavenger Oil Pump Gear
Motorshop
$97.17V-Twin - 12-1257 - Scavenger Oil Pump GearDescriptionScavenger oil pump gear for side valve Fits:UL 1937-1952G 1937-1973Additional Information$97.17 -
V-Twin - 12-1255 - Scavenger Oil Pump Idler Gear
Eastern Motorcycle Parts
MSRP: $28.96$27.08V-Twin - 12-1255 - Scavenger Oil Pump Idler GearDescriptionScavenger idler oil pump gear for Side Valve models. Fits:UL 1937-1948 74" and 80"WL 1937-1952 45"G 1937-1973 45"Additional InformationMSRP: $28.96$27.08 -
V-Twin - 12-1254 - Scavenger Oil Pump Drive Gear
Motorshop
$29.79V-Twin - 12-1254 - Scavenger Oil Pump Drive GearDescriptionScavenger oil pump drive gear for Side Valve models. Fits:UL 1937-1948 74" and 80"WL 1937-1952 45"Additional Information$29.79 -
V-Twin - 12-1226 - 45 Cam Cover Dowel Pin - Fits 1937-1973 Harley-Davidson G, 1937-1952 W, 1930-1936 R
V-Twin Mfg
$23.0045" cam cover dowel pin #377.For WL and G 750cc models. Secures cam cover to right side case. Sold as a pack of 10. Fits:G 1937-1973W 1937-1952R 1930-1936Additional Information$23.00 -
V-Twin - 12-1224 - Seal Ring Retaining Pins - Fits 1937-1973 Harley-Davidson G, 1937-1948 U, 1937-1952 W
V-Twin Mfg
$16.39Seal ring retaining pins.Sold as a pack of 10. Fits:G 1937-1973U 1937-1948W 1937-1952Additional Information OEM No.25285-37<$16.39 -
V-Twin - 12-1223 - Scavenger Oil Pump Idler Gear
Motorshop
$56.69V-Twin - 12-1223 - Scavenger Oil Pump Idler GearDescriptionOil pump scavenger idler gear. Fits:EL 1936-1940Additional Information$56.69 -
V-Twin - 12-1221 - Oil Pump Feed Drive Gear
Motorshop
$54.91V-Twin - 12-1221 - Oil Pump Feed Drive GearDescriptionOil pump feed gear is narrow type.Feed drive has groove to drive the Knuckleheaed oil pump governer rotor. Fits:EL 1936-1947Additional Information$54.91 -
V-Twin - 12-1220 - Scavenger Oil Pump Idler Gear
Motorshop
$54.91V-Twin - 12-1220 - Scavenger Oil Pump Idler GearDescriptionOil pump scavenger idler gear with groove.*NOTE: Gear has groove milled in side to drive the rotor when installed on 1941-1949 oil pumps...$54.91 -
V-Twin - 12-1210 - Pinion Shaft Red Size Gear
Motorshop
$94.51V-Twin - 12-1210 - Pinion Shaft Red Size GearDescriptionPinion shaft gear is red size. Fits:FXR 1993-1999FXD 1993-1999FXST 1993-1999FLST 1993-1999FLT 1993-1999Additional Information$94.51 -
V-Twin - 12-1196 - Pushrod Adjuster Screw
Eastern Motorcycle Parts
MSRP: $30.80$28.79V-Twin - 12-1196 - Pushrod Adjuster ScrewDescriptionPushrod adjuster screw set includes 9/32"-32 thread screws.Set of four. Fits:FL 1957-1984Additional InformationMSRP: $30.80$28.79 -
V-Twin - 12-1193 - Rocker Arm End Shaft Washer
Eastern Motorcycle Parts
MSRP: $13.88$12.49V-Twin - 12-1193 - Rocker Arm End Shaft WasherDescriptionReplica zinc plated rocker end shaft washers measure 13/32 x 5/8 x 1/32Washers are for use on left side of Shovelhead rocker boxes. Sold in a...MSRP: $13.88$12.49 -
V-Twin - 12-1192 - Cylinder Base Stud
Eastern Motorcycle Parts
$20.36V-Twin - 12-1192 - Cylinder Base StudDescriptionCylinder base stud, 4 piece set.The thread pitch of one end measures 3/8"-24 and the other end 3/8"-16. Fits:WL 1929-1952G 1929-1973Additional...$20.36 -
V-Twin - 12-1188 - Top Motor Mount Stud
Gardner-Westcott
MSRP: $19.88$17.89V-Twin - 12-1188 - Top Motor Mount StudDescriptionTop motor mount stud five pack.The diameter and thread pitch of one end measures 3/8"-24 and the other end 3/8"-16. Fits:FXST 1984-1999FLT...MSRP: $19.88$17.89 -
V-Twin - 12-1184 - Cam Bushing Pin
Eastern Motorcycle Parts
MSRP: $16.42$14.77V-Twin - 12-1184 - Cam Bushing PinDescriptionCam bushing pin. Fits:FXST 1984-1998FLT 1979-1998FX 1971-1984FL 1941-1984FXD 1991-1998FLST 1986-1998Additional InformationMSRP: $16.42$14.77 -
V-Twin - 12-1175 - Cam Bushing Pin
Eastern Motorcycle Parts
MSRP: $16.42$14.77V-Twin - 12-1175 - Cam Bushing PinDescriptionCam bushing pins. Fits:UL 1937-1948GE 1937-1973FL 1941-1984WL 1929-1952FXST 1984-1992FLT 1979-1992XL 1957-1991FLST 1986-1992Additional InformationMSRP: $16.42$14.77 -
V-Twin - 12-1173 - Cam Chest Oil Strainer Pin
Eastern Motorcycle Parts
MSRP: $16.42$14.77V-Twin - 12-1173 - Cam Chest Oil Strainer PinDescriptionCam chest oil strainer pin. Fits:UL 1937-1948K 1952-1956WL 1929-1952XL 1957-1976Additional InformationMSRP: $16.42$14.77 -
V-Twin - 12-1166 - Cam Cover Pin
Motorshop
MSRP: $22.30$20.85V-Twin - 12-1166 - Cam Cover PinDescriptionCam cover pin. Fits:FL 1941-1969EL 1936-1940Additional Information OEM No.MSRP: $22.30$20.85 -
V-Twin - 12-1153 - OE Cam Case Dowel Pin
OE
MSRP: $21.88$18.59V-Twin - 12-1153 - OE Cam Case Dowel PinDescriptionOE cam case dowel pin #358 Fits:FL 1970-1984FX 1971-1984Additional InformationMSRP: $21.88$18.59
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.