Engine
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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V-Twin - 49-1343 - Spring Fork Rocker Set Black - Fits 1936-1939 Harley-Davidson EL, 1930-1936 VL, 1937-1939 UL
V-Twin Mfg
$288.15Spring Fork rocker set includes bushings and full stud kit. Fits:EL 1936-1939VL 1930-1936UL 1937-1939Additional Information UOM1 - SET FinishBlack ManufacturerV-Twin OriginImported Replacement Items49-2782 - Spring Fork Rocker Set Black49-0235 -...$288.15 -
V-Twin - 49-1310 - 1937-1938 EL Knucklehead Bare Cylinder Head Set
Motortechnic
MSRP: $4,778.50$4,575.89V-Twin - 49-1310 - 1937-1938 EL Knucklehead Bare Cylinder Head SetDescription1937-1938 EL bare Knucklehead head set features OEM production numbers, mc hallmark, small intake port, primer black plugs, manifold nipples and are painted with black heat...MSRP: $4,778.50$4,575.89 -
V-Twin - 49-1307 - Knucklehead Rocker Box Set - Fits 1936-1937 Harley-Davidson EL
V-Twin Mfg
$683.11Knucklehead rocker box set features a natutal finish. The front rocker box has the bleeder hole drilled and tapped for cap fitting.Accepts the early valve cover cup set and features machined snap ring grooves for the appropriate seal kit, available...$683.11 -
V-Twin - 49-1301 - Knucklehead Rocker Box Set - Fits 1936-1937 Harley-Davidson EL
V-Twin Mfg
$714.96Knucklehead rocker box set features a polished finish. The front rocker box has the bleeder hole drilled and tapped for cap fitting.Accepts the early valve cover cup set and features machined snap ring grooves for the appropriate seal kit, available...$714.96 -
V-Twin - 49-1293 - Knucklehead Rocker Box Set - Fits 1937-1940 Harley-Davidson EL
V-Twin Mfg
$639.57Knucklehead rocker box set features a polished finish.Accepts the early valve cover cup set and features machined snap ring grooves for the appropriate seal kit, available separately. Set is cast with new V-twin MFG exclusive tooling. ...$639.57 -
V-Twin - 49-1286 - Knucklehead Rocker Box Set Natural Cast - Fits 1936 Harley-Davidson EL
V-Twin Mfg
$794.13Knucklehead rocker box set features a natural cast finish, as the original.Rocker boxers are machined to accept original retaining rings. V-Twin #49-1793, Knucklehead rocker box rings, are available separately. Accepts the early valve cover cup set and...$794.13 -
V-Twin - 49-1166 - Knucklehead Rocker Tin Set Parkerized - Fits 1936-1947 Harley-Davidson EL, 1941-1947 FL
V-Twin Mfg
$149.71Knucklehead rocker tin set is manufactured with the correct thickness and form for fit and features a parkerized finish.Sold as a 4 piece set. Fits:EL 1936-1947FL 1941-1947Additional Information UOM1 - SET FinishParkerized ManufacturerV-Twin ...$149.71 -
V-Twin - 49-1038 - 45 Rear Cylinder Head - Fits 1941-1973 Harley-Davidson G, 1941-1952 WL
V-Twin Mfg
$400.4045 rear cylinder head only. Fits:G 1941-1973WL 1941-1952Additional Information OEM No.379-403R UOM1 - EA ManufacturerV-Twin OriginImported$400.40 -
V-Twin - 49-1019 - WLDR Cylinder Head Set - Fits 1941-1973 Harley-Davidson G, 1941-1952 WL
V-Twin Mfg
$712.27Cylinder head set features special 69cc combustion chamber and accepts 18mm spark plugs and head bolts.Heads are for use on stock 45 cylinders, not the WR angled type. *NOTE: Must order head bolts and washers separately. *NOTE: The castings numbers are...$712.27 -
V-Twin - 49-1016 - Breather Spring Kit - Fits 1937-1973 Harley-Davidson G, 1937-1948 U, 1937-1952 W
V-Twin Mfg
$52.69Breather spring kit includes a brass plate, spring and two pins. Fits:G 1937-1973U 1937-1948W 1937-1952Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages798$52.69 -
V-Twin - 49-0963 - Side Valve 80 inch Valve Cover Lock Ring Set Zinc - Fits 1939-1948 Harley-Davidson UL
V-Twin Mfg
MSRP: $40.51$39.70Side Valve 80" valve cover lock ring set features a zinc finish.Sold as a set of 4. Fits:UL 1939-1948Additional Information OEM No.18248-39 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages798MSRP: $40.51$39.70 -
V-Twin - 49-0962 - Zinc ULH Retainer Clip - Fits 1939-1941 Harley-Davidson UL
V-Twin Mfg
$54.47Zinc ULH retainer clips.Set of four. Fits:UL 1939-1941Additional Information OEM No.18254-39 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages798$54.47 -
V-Twin - 49-0961 - Chrome ULH Retainer Clip - Fits 1939-1948 Harley-Davidson ULH, UL
V-Twin Mfg
$48.96Chrome retainer clips.Set of four. Fits:ULH 1939-1948UL 1939-1948Additional Information OEM No.18254-39 UOM1 - SET ManufacturerV-Twin OriginUSA 2025 Catalog Pages798$48.96 -
V-Twin - 49-0946 - 1941-1947 Knucklehead Left Engine Case Unmachined
V-Twin Mfg
$866.13V-Twin - 49-0946 - 1941-1947 Knucklehead Left Engine Case UnmachinedDescriptionKnucklehead left hand engine case features steel bearing insert cast in and is machined to fit OE right side case. Machined steel insert case in place. Case is not a bolt in...$866.13 -
V-Twin - 49-0945 - 6:1 High Compression Head Set Aluminum - Fits 1939-1973 Harley-Davidson G, 1939-1946 WLD, 1939-1952 W
V-Twin Mfg
$649.39Heads have a steel insert, cast in, to accept the 18mm spark plug.Combustion champer is 10.5mm deep. Sold as a set of 2. Fits:G 1939-1973WLD 1939-1946W 1939-1952Additional Information UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages795$649.39 -
V-Twin - 49-0938 - Replica Valve Cover Kit Zinc - Fits 1941-1944 Harley-Davidson WLA, 1936-1973 GE, 1937-1942 WLD, 1944-1951 WL, 1936-1941 GD, 1937-1941 WLDR, 1936-1963 G, 1937-1942 WL
V-Twin Mfg
MSRP: $82.62$81.79Replica zinc valve cover kit, 8 piece Fits:WLA 1941-1944GE 1936-1973WLD 1937-1942WL 1944-1951GD 1936-1941WLDR 1937-1941G 1936-1963WL 1937-1942Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages798 Tech NoteOrder...MSRP: $82.62$81.79 -
V-Twin - 49-0908 - 5:1 Low Compression Head Set Aluminum - Fits 1940-1942 Harley-Davidson WLD, 1940-1941 WLDR, 1947-1957 WL
V-Twin Mfg
$522.40Heads have a steel insert, cast in to accept the 18mm spark plug.Combustion chamber is 10.5mm deep. Fits:WLD 1940-1942WLDR 1940-1941WL 1947-1957Additional Information OEM No.16683-39 UOM2 - SET MeasurementsAdditional InformationBolt Holes: 1/2" ...$522.40 -
V-Twin - 49-0869 - 45 inch Scavenger Pump Assembly
Motorshop
$417.41V-Twin - 49-0869 - 45 inch Scavenger Pump AssemblyDescription45" scavenger oil pump assembly with the welch plug installed, features a parkerized finish. Assembly is for use on 45" W, G, U, and UL models.Includes studs and nuts. ...$417.41 -
V-Twin - 49-0850 - 45 Lifter Base and Tappet Kit
Motorshop
$513.26V-Twin - 49-0850 - 45 Lifter Base and Tappet KitDescription45 lifter base and tappet kit includes 4 lifter bases zinc plated and 4 standard tappets with adjuster screws. These blocks and guides are exact fit.Lifter base set is threaded to accept OEM scrw...$513.26 -
V-Twin - 49-0842 - WR 45 inch Cam Cover Plate Zinc Plated - Fits 1937-1973 Harley-Davidson G, 1937-1952 W
V-Twin Mfg
$54.4745" WR cam cover plate for Peek-A-Boo cam covers is constructed of steel and features a zinc plated finish. Fits:G 1937-1973W 1937-1952Additional Information UOM1 - EA ManufacturerV-Twin OriginImported$54.47 -
V-Twin - 49-0836 - Scavenger Oil Pump Cover - Fits 1937-1952 Harley-Davidson WL, 1938-1973 G
V-Twin Mfg
MSRP: $69.88$69.18Scavenger oil pump cover features cast iron construction.This is the outer cover only, without internals. Order hardware separately. ...MSRP: $69.88$69.18 -
V-Twin - 49-0797 - Zinc Plated Side Valve Rear Tappet Guide Set - Fits 1929-1952 Harley-Davidson W, 1937-1952 WL, 1930-1936 V, 1937-1973 G, 1937-1938 U
V-Twin Mfg
$125.99Zinc plated rear unhoned tappet guide set includes one rear intake and one rear exhaust.Gaskets are included. Tappet guide set is for the rear cylinder. Fits:W 1929-1952WL 1937-1952V 1930-1936G 1937-1973U 1937-1938Additional Information OEM No.18606-30 ...$125.99 -
V-Twin - 49-0793 - Front Unhoned Tappet Block Set Zinc - Fits 1929-1952 Harley-Davidson W, 1937-1952 WL, 1930-1936 V, 1937-1973 G, 1937-1938 U
V-Twin Mfg
$126.91Zinc front unhoned tappet block set includes one front intake and one front exhaust.Gaskets are included. Tappet guide set is for the front cylinder. Fits:W 1929-1952WL 1937-1952V 1930-1936G 1937-1973U 1937-1938Additional Information OEM No.18605-30 ...$126.91 -
V-Twin - 49-0790 - Full Finned Panhead Rocker Box Cover Set - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
$282.56Full finned Panhead rocker box cover set features a shot peened finish. Set is for front and rear on custom frames.Finned Pan Rocker covers need more frame clearance than stock Pan covers! Please check clearance on the frame. Will not fit OEM, replica,...$282.56 -
V-Twin - 49-0789 - Full Finned Panhead Rocker Box Cover Set Chrome - Fits 1948-1965 Harley-Davidson FL
V-Twin Mfg
$252.34Chrome finned cast style Panhead rocker box cover set is for front and rear. For use on custom frames with enough clearance.Both covers are "full" finned, for fitting on custom rigid frames. Suggested to check clearance on the frame. Will not fit OEM,...$252.34 -
V-Twin - 49-0712 - Knucklehead Rocker Tin Kit Parkerized - Fits 1941-1947 Harley-Davidson FL, 1938-1947 EL
V-Twin Mfg
$930.02Parkerized Knucklehead rocker tin kit features a tin set manufactured with the correct thickness and form for fit. Kit includes the front and rear external, and front and rear internal valve spring cups, cover strip, gasket and screws.Lower valve cover...$930.02 -
V-Twin - 49-0700 - Chrome Valve Cover Set - Fits 1941-1944 Harley-Davidson WLA, 1936-1973 GE, 1942-1944 WLC, 1936-1941 GD, 1937-1941 WLDR, 1936-1963 G, 1937-1942 WL
V-Twin Mfg
$102.52Chrome valve cover set is for side valve models.Order seal kit separately. Fits:WLA 1941-1944GE 1936-1973WLC 1942-1944GD 1936-1941WLDR 1937-1941G 1936-1963WL 1937-1942Additional Information OEM No.18255-31 UOM8 - SET ManufacturerV-Twin OriginImported...$102.52 -
V-Twin - 49-0687 - Alemite Grease Fitting Set White Zinc - Fits 1938-1940 Harley-Davidson WL, 1936-1938 EL, UL
V-Twin Mfg
MSRP: $45.13$44.22Set includes 15 straight and 5 67.5 angle white zinc finish alemite grease fittings as original without ball seal at the end, for 1936-1938 restoration.Sold as a 20 piece set. Fits:WL 1938-1940EL 1936-1938UL 1936-1938Additional Information OEM No.0344 ...MSRP: $45.13$44.22 -
V-Twin - 49-0668 - Nickel Plated Head Primer Cups - Fits 1936-1938 Harley-Davidson EL, 1937-1938 FL, 1930-1936 VL
V-Twin Mfg
MSRP: $82.08$81.26Head prime cups are for Flathead and Overhead Valve models and features a nickel plated finish, for exact applications or restoration.Includes knurled knob and valve insert. Fits:EL 1936-1938FL 1937-1938VL 1930-1936Additional Information UOM1 - SET ...MSRP: $82.08$81.26 -
V-Twin - 49-0645 - Scavenger Oil Pump Assembly - Fits 1942 Harley-Davidson WLA, 1937-1973 G
V-Twin Mfg
$372.61Scavenger oil pump assembly with the welch plug installed, features a parkerized finish.All internals are included. ...$372.61 -
V-Twin - 49-0637 - Alemite Grease Fitting White Zinc - Fits 1936-1938 Harley-Davidson EL, UL, 1936-1940 WL
V-Twin Mfg
MSRP: $40.51$39.70Alemite early style frame grease fittings feature a white zinc finish have 67.5 angle as original, without ball seal at the end, for 1936-1938 restoration. Fits:EL 1936-1938UL 1936-1938WL 1936-1940Additional Information UOM10 - PK ManufacturerV-Twin ...MSRP: $40.51$39.70 -
V-Twin - 49-0636 - Alemite Grease Fitting White Zinc - Fits 1936-1938 Harley-Davidson EL, UL, 1936-1940 WL
V-Twin Mfg
$35.40Alemite early style frame grease fittings feature a white zinc finish, and are straight without ball seal at the end. Fits:EL 1936-1938UL 1936-1938WL 1936-1940Additional Information UOM10 - PK ManufacturerV-Twin OriginImported TypeSwing Arm 2025...$35.40 -
V-Twin - 49-0628 - Alemite Grease Fitting Raw - Fits 1938-1940 Harley-Davidson WL, 1936-1938 EL, UL
V-Twin Mfg
MSRP: $7.86$7.78Alemite frame grease fitting features a raw finish and are early style, straight without ball seal at the end. Fits:WL 1938-1940EL 1936-1938UL 1936-1938Additional Information OEM No.0344 UOM1 - EA ManufacturerV-Twin OriginImported TypeSwing Arm ...MSRP: $7.86$7.78 -
V-Twin - 49-0534 - Front Engine Bar U-Clamp Kit - Fits 1955-1957 Harley-Davidson FL, 1936-1940 EL, 1941-1947 FL
V-Twin Mfg
$29.79Kit features zinc plated U clamp with chrome acorn nuts for use with the front engine bar bolt cover. Fits:FL 1955-1957EL 1936-1940FL 1941-1947Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages622$29.79 -
V-Twin - 49-0276 - Long Headbolt - Fits 1965-1973 Harley-Davidson G
V-Twin Mfg
$19.66Long headbolt for side valve models Fits:G 1965-1973Additional Information OEM No.14-4OMA UOM1 - SET ManufacturerV-Twin OriginUSA 2025 Catalog Pages795$19.66 -
V-Twin - 49-0216 - Cadmium Relay Mount Bracket - Fits 1940-1946 Harley-Davidson EL, 1938-1946 UL, 1941-1946 FL
V-Twin Mfg
MSRP: $45.18$44.28Relay mount bracket with cadmium finish for overhead models. Fits:EL 1940-1946UL 1938-1946FL 1941-1946Additional Information OEM No.74765-36 UOM1 - EA ManufacturerV-Twin OriginUSA 2025 Catalog Pages668MSRP: $45.18$44.28 -
V-Twin - 49-0193 - 45 inch OE Front Cylinder - Fits 1929-1952 Harley-Davidson WL, 1929-1973 G
V-Twin Mfg
$492.76New Old Stock" 1940's army surplus front cylinder from Dixie. Features an army cosmolene oil coating.Does not include piston or guide. Fits:WL 1929-1952G 1929-1973Additional Information OEM No.2-40M UOM1 - EA ManufacturerV-Twin OriginUSA 2025...$492.76 -
V-Twin - 49-0143 - Front Engine Bar U Clamp Zinc - Fits 1929-1957 Harley-Davidson WL, 1932-1973 G
V-Twin Mfg
$35.40Zinc front engine bar u clamp without nuts for side valve models Fits:WL 1929-1957G 1932-1973Additional Information OEM No.49061-32 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages813$35.40 -
V-Twin - 49-0113 - Valve Cover Set - Fits 1930-1936 Harley-Davidson VL
V-Twin Mfg
$222.64Valve cover set includes zinc upper valve spring covers and chrome lower covers. Fits:VL 1930-1936Additional Information UOM4 - SET MeasurementsAdditional InformationLower Cover I.D.: 1-3/16" ManufacturerV-Twin OriginImported 2025 Catalog...$222.64 -
V-Twin - 49-0094 - Side Valve Feed Pump Upgrade - Fits 1941-1951 Harley-Davidson G, 1941-1948 U
V-Twin Mfg
$152.69Feed pump upgrade for Side Valve models. Includes a rotor, 4 scrapers and 4 springs.Includes rotor with quad vanes for added oil pressure! Installation will require using multiple gaskets. Each rotor will require the back surface to be sanded down to...$152.69
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.