Engine
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V-Twin - 11-1784 - 45 inch Piston Ring .020 Oversize
Motorshop
$83.25V-Twin - 11-1784 - 45 inch Piston Ring .020 OversizeDescriptionV-Twin Motorshop piston ring, .020 with 1/8" oil ring and 3/32" compression ring for 45" engine. Fits:WLA 1937-1955 45"G 1937-1952 45"Additional Information UOM1 - KIT ...$83.25 -
V-Twin - 11-1783 - 45 inch Piston Ring .010 Oversize
Motorshop
$92.23V-Twin - 11-1783 - 45 inch Piston Ring .010 OversizeDescriptionV-Twin Motorshop piston ring, .010 with 1/8" oil ring and 3/32" compression ring for 45" engine. Fits:WLA 1937-1952 45"G 1937-1955 45"Additional Information UOM1 - KIT ...$92.23 -
V-Twin - 11-1781 - 45 inch Piston Ring Standard
Motorshop
$107.60V-Twin - 11-1781 - 45 inch Piston Ring StandardDescriptionV-Twin Motorshop piston ring, standard with 1/8" oil ring and 3/32" compression ring for 45" engine. Fits:WL 1937-1952 45"G 1937-1952 45"Additional Information UOM1 - KIT ...$107.60 -
V-Twin - 11-1779 - Raw Iron Cylinder Head Set
Motorshop
$630.30V-Twin - 11-1779 - Raw Iron Cylinder Head SetDescriptionRaw iron front and rear head set is for 74" and 80" models. This set is casted after the OE Cast Ironheads, which features the squish "WR" combustion chamber.Head set accepts 18mm spark plugs and...$630.30 -
V-Twin - 11-1775 - Cylinder Head Set With Rocker Assembly
Motorshop
$2,996.36V-Twin - 11-1775 - Cylinder Head Set With Rocker AssemblyDescriptionKnucklehead cylinder head set features original cast iron with black finish. Head set includes valves, springs, collars, and guides with parkerized upper and lower valve cover sets...$2,996.36 -
V-Twin - 11-1760 - Aluminum Cylinder Head Set
Motortechnic
$687.43V-Twin - 11-1760 - Aluminum Cylinder Head SetDescriptionAluminum front and rear head set is for 74" and 80" models. This set is casted after the OE Cast Ironheads, which features the squish "WR" combustion chamber.Head set accepts 18mm spark plugs and...$687.43 -
V-Twin - 11-1710 - Raw Cast Cylinder Fin Repair Plate
Motorshop
$32.60V-Twin - 11-1710 - Raw Cast Cylinder Fin Repair PlateDescriptionCylinder fin plate is cast aluminum for the repair of cylinder and head fins. These are to be cut, fit, and welded in place. Fits:FL 1948-1965Additional Information UOM1 - EA ...$32.60 -
V-Twin - 11-1690 - 74 inch Knucklehead Rear Cylinder
V-Twin
$214.20V-Twin - 11-1690 - 74 inch Knucklehead Rear CylinderDescriptionRear cylinder fits Knucklehead 1941-1947 74" models. Features MC cast factory markings.Bore size finished with .025 clearance. Fits:FL 1941-1947Additional Information UOM1 - EA ...$214.20 -
V-Twin - 11-1688 - 74 inch Panhead Cylinder Kit
V-Twin
$569.54V-Twin - 11-1688 - 74 inch Panhead Cylinder KitDescriptionPanhead cylinder kit includes 74" cylinders fitted with standard cast pistons (8.5:1) and hastings standard FLH ring set.*NOTE: Oil feeds rockers from inside cylinder - use correct base gaskets to...$569.54 -
V-Twin - 11-1680 - 883cc to 1200cc Conversion Piston Set Standard 3.498 inch
Motorshop
$148.59V-Twin - 11-1680 - 883cc to 1200cc Conversion Piston Set Standard 3.498 inchDescriptionSifton cast piston kit includes reverse domed pistons and Hasting rings.Piston set has a 9.5:1 compression. Piston to cylinder wall clearance is .0015 minimum to .0022...$148.59 -
V-Twin - 11-1523 - 110 CI Cylinder Kit Black
Motorshop
$985.33V-Twin - 11-1523 - 110 CI Cylinder Kit BlackDescription110" motorshop 4" big bore bolt on cylinder and piston kit takes your 96ci or 103ci motor to a full 110ci, without removing the engine from the chassis. Features a black finish with aluminum...$985.33 -
V-Twin - 11-1421 - 1800cc 4 inch Big Bore Cylinder
Motorshop
$403.04V-Twin - 11-1421 - 1800cc 4 inch Big Bore CylinderDescriptionTwin Cam 96 or 103 Big Bore cylinder is black with aluminum high-lighted fin edges. Used to increase 96 or 103cc to 1800cc.The finished honed size of this bore cylinder is 4.005". Fits:FLT...$403.04 -
V-Twin - 11-1345 - Panhead Pushrod Set
Motorshop
$132.31V-Twin - 11-1345 - Panhead Pushrod SetDescription4 piece original steel type Panhead pushrod set features built in hydraulic dampers.Set is steel with built in hydraulic unit as the original! For use with solid lifters only. Pushrods include the rod (OEM...$132.31 -
V-Twin - 11-1342 - Replica 80 inch Evolution Cylinder Natural
V-Twin
$283.70V-Twin - 11-1342 - Replica 80 inch Evolution Cylinder NaturalDescriptionReplica 80" front or rear Evolution cylinder is sold each. Cylinder has a natural finish.Piston and rings are not included. Fits:FXST 1984-1998FLT 1984-1998FXD 1991-1998FXR...$283.70 -
V-Twin - 11-1337 - 1270cc Cylinder and Piston Conversion Kit Black
V-Twin
$741.18V-Twin - 11-1337 - 1270cc Cylinder and Piston Conversion Kit BlackDescriptionBig bore cylinder kit for 1200-1270cc conversion on Sportster models.Increase your horsepower with our V-Twin 1270cc big bore conversion kit. Our kit includes 2 black...$741.18 -
V-Twin - 11-1333 - 1270cc Cylinder and Piston Conversion Kit Black
V-Twin
$741.18V-Twin - 11-1333 - 1270cc Cylinder and Piston Conversion Kit BlackDescriptionBig bore cylinder kit for 883-1270cc conversion on Sportster models and has a 10.1 compression ratio.Increase your horsepower with our V-Twin 1270cc big bore conversion kit. Our...$741.18 -
V-Twin - 11-1303 - Replica Knucklehead Solid Pushrod Set
Motorshop
$93.78V-Twin - 11-1303 - Replica Knucklehead Solid Pushrod SetDescriptionSifton pushrod set is constructed of steel for use on Knucklehead engines.Pushrod has a diameter of 3/8". ...$93.78 -
V-Twin - 11-1284 - 74 inch Panhead Rear Cylinder
Motorshop
$188.00V-Twin - 11-1284 - 74 inch Panhead Rear CylinderDescriptionReplica rear cylinder has an OE style casting number code.Cylinder is bored and honed to 3.438" inner diameter. Bore size is 3.4380"-3.4385" *NOTE: All cast iron cylinders have same piston to...$188.00 -
V-Twin - 11-1283 - 74 inch Panhead Front Cylinder
Motorshop
$188.00V-Twin - 11-1283 - 74 inch Panhead Front CylinderDescriptionReplica front cylinder has an OE style casting number code.Cylinder is bored and honed to 3.438" inner diameter. Bore size is 3.4380" - 3.4385". ...$188.00 -
V-Twin - 11-1273 - 1270cc Cylinder and Piston Conversion Kit Silver
V-Twin
$669.93V-Twin - 11-1273 - 1270cc Cylinder and Piston Conversion Kit SilverDescriptionBig bore cylinder kit for 1200-1270cc conversion on Sportster models. Kit includes head gasket and has a compression ratio of 10.1.Increase your horsepower with our V-Twin...$669.93 -
V-Twin - 11-1267 - Replica 74 inch Knucklehead Cylinder Set Black
Motorshop
$641.14V-Twin - 11-1267 - Replica 74 inch Knucklehead Cylinder Set BlackDescriptionReplica 74" Knucklehead cylinder set with 5 fins and black finish features cast iron cast construction with original markings. Set is used for quality restoration on the...$641.14 -
V-Twin - 11-1258 - 83 inch Evolution Big Bore Cylinder Kit
Motorshop
$638.98V-Twin - 11-1258 - 83 inch Evolution Big Bore Cylinder KitDescriptionEvolution 83" Big Bore bolt on silver cylinder kit includes 10:1 compression Wiseco forged dome piston kit, which have been honed for final fitment. No case boring required.Includes two...$638.98 -
V-Twin - 11-1253 - 83 inch Evolution Big Bore Cylinder Kit
Motorshop
$705.98V-Twin - 11-1253 - 83 inch Evolution Big Bore Cylinder KitDescriptionEvolution 83" Big Bore bolt on black cylinder kit includes 10:1 compression Wiseco forged piston kit, which has been honed for final fitment.Cylinders are aluminum and features a cast...$705.98 -
V-Twin - 11-1208 - Andrews M8 Adjustable Pushrod Set
Andrews
$282.66V-Twin - 11-1208 - Andrews M8 Adjustable Pushrod SetDescriptionAndrews M8 adjustable pushrod set features a tapered end. Set is for use with high lift cams. Fits:FLST 2018-UPFLT 2017-UPFXST 2018-UPAdditional Information UOM1 - SET ManufacturerAndrews ...$282.66 -
V-Twin - 11-1200 - 1200cc Cylinder and Piston Kit
Motorshop
$638.38V-Twin - 11-1200 - 1200cc Cylinder and Piston KitDescriptionMotorshop 1200cc cylinder kit includes Wiseco fitted 9:1 piston and ring sets to be used with 1200cc heads only.Can not be used as Big Bore Kit for 883 models. Order head base gasket separately...$638.38 -
V-Twin - 11-1199 - 1936 Knucklehead Rocker Nut Kit
V-Twin
$487.86V-Twin - 11-1199 - 1936 Knucklehead Rocker Nut Kit Description Knucklehead rocker nut kit includes four pieces of each part that is required to create the "frog eye" covers with internal threads on 1936 rocker shafts.. Fits: FL 1936-1936 EL...$487.86 -
V-Twin - 11-1197 - Steel Exhaust Valve
Sifton
$59.53V-Twin - 11-1197 - Steel Exhaust ValveDescriptionSteel exhaust valve is for 45" Side Valve models. Fits:WL 1929-1952G 1929-1973Additional Information OEM No.18082-32 UOM1 - EA ManufacturerSifton OriginImported 2025 Catalog Pages802$59.53 -
V-Twin - 11-1196 - M8 Big Bore Black Cylinder Set
Motorshop
$467.01V-Twin - 11-1196 - M8 Big Bore Black Cylinder SetDescriptionBlack 4.250" big bore cylinder set with machined edge fins increase the bore size from 124" to 128". Features a slightly larger fin area for better heat dissipation and increased cooling.For use...$467.01 -
V-Twin - 11-1195 - 103 inch Twin Cam Stock Replacement Cylinder Black
Motorshop
$262.29V-Twin - 11-1195 - 103 inch Twin Cam Stock Replacement Cylinder BlackDescriptionTwin Cam stock replacement cylinder features a black finish with machined finish fins and has a 3.875" bore.For use with stock stroke flywheels. Fits:FXD 1996-2017FLT...$262.29 -
V-Twin - 11-1194 - 96 inch Twin Cam Stock Replacement Cylinder Black
Motorshop
$218.00V-Twin - 11-1194 - 96 inch Twin Cam Stock Replacement Cylinder BlackDescriptionTwin Cam stock replacement cylinder features a black finish with machined finish fins and has a 3.750" bore.For use with stock stroke flywheels. Fits:FXD 1996-2017FLT...$218.00 -
V-Twin - 11-1181 - 3.188 inch Cylinder Sleeve
L.A. Sleeve
$168.43V-Twin - 11-1181 - 3.188 inch Cylinder SleeveDescriptionReplacement cylinder sleeve 3.188" for 1000CC XL cylinder Fits:XL 1973-1985Additional Information UOM1 - EA ManufacturerL.A. Sleeve OriginUSA 2025 Catalog Pages505$168.43 -
V-Twin - 11-1180 - 3.000 inch Cylinder Sleeve
L.A. Sleeve
$83.17V-Twin - 11-1180 - 3.000 inch Cylinder SleeveDescriptionReplacement cylinder sleeve 3.00" for 90cc XL cylinders. Fits:XL 1957-1971Additional Information UOM1 - EA MeasurementsAdditional InformationLength: 6.25"Inner Diameter: 2.96"Outer...$83.17 -
V-Twin - 11-1179 - 88.8mm Cylinder Sleeve
L.A. Sleeve
$89.08V-Twin - 11-1179 - 88.8mm Cylinder SleeveDescriptionReplacement cylinder sleeve 88.8mm for 80" overhead valve cylinder Fits:FLT 1979-1983FXR 1982-1983FL 1978-1984FX 1978-1984Additional Information UOM1 - EA ManufacturerL.A. Sleeve OriginUSA 2025...$89.08 -
V-Twin - 11-1178 - 3.437 inch Cylinder Sleeve
L.A. Sleeve
$142.34V-Twin - 11-1178 - 3.437 inch Cylinder SleeveDescriptionReplacement cylinder sleeve 3.437" for 74" overhead valve cylindersUses 1-3/8" large hex 18mm plugs. Fits:FX 1971-1977FL 1941-1977Additional Information UOM1 - EA MeasurementsAdditional...$142.34 -
V-Twin - 11-1177 - 3.422 inch Cylinder Sleeve
L.A. Sleeve
$149.86V-Twin - 11-1177 - 3.422 inch Cylinder SleeveDescriptionReplacement cylinder sleeve 3.422" is for 80" side valve cylinder Fits:ULH 1937-1948 80" cylinderAdditional Information UOM1 - EA MeasurementsAdditional InformationOuter Diameter: 3...$149.86 -
V-Twin - 11-1176 - 3.312 inch Cylinder Sleeve
L.A. Sleeve
$174.27V-Twin - 11-1176 - 3.312 inch Cylinder SleeveDescriptionReplacement cylinder sleeve 3.312" for Knucklehead cylinders Fits:EL 1936-1940Additional Information UOM1 - EA MeasurementsAdditional InformationOuter Diameter: 3.444" ManufacturerL.A...$174.27 -
V-Twin - 11-1175 - 2.720 inch Cylinder Sleeve
L.A. Sleeve
$153.56V-Twin - 11-1175 - 2.720 inch Cylinder SleeveDescriptionReplacement cylinder sleeve 2.720" for side valve cylinders. Fits:WL 1929-1952G 1929-1973Additional Information UOM1 - EA ManufacturerL.A. Sleeve OriginImported 2025 Catalog Pages1260$153.56 -
V-Twin - 11-1103 - M8 Cylinder Stud Set
Kibblewhite
$154.07V-Twin - 11-1103 - M8 Cylinder Stud SetDescriptionM8 cylinder stud set. Heat treated alloy steel stud set features rolled threads and are centerless ground. Set is for use on all 2017-up M8 motors.Sold as a set of 8. Fits:FLT 2017-UPFXST...$154.07 -
V-Twin - 11-1099 - 45 inch W/G Cylinder Set
Motorshop
$745.31V-Twin - 11-1099 - 45 inch W/G Cylinder SetDescriptionNew cylinders, front is OEM, rear is replica with casting numbers, intake nipples and valve guides installed.*NOTE: Cylinders must be fit to piston size as required, not included. Fits:WL 1929-1952W...$745.31 -
V-Twin - 11-1074 - Solid Tappet Adapter Set
Motorshop
$27.71V-Twin - 11-1074 - Solid Tappet Adapter Set Description Four piece solid tappet adapter set replaces hydraulic tappet inserts, and uses stock pushrods. Fits: FLT 1979-1983 FX 1971-1984 FXR 1982-1983 FL 1953-1984 Additional...$27.71
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.