Engine
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V-Twin - 49-3012 - Indian Rocker Clutch Pedal Fiber Friction Disc - Fits 1922-1953 Indian Chief
V-Twin Mfg
MSRP: $23.86$22.31Indian rocker clutch pedal fiber friction disc is sold in a pack of 5. Fits: Chief 1922-1953 Additional Information UOM 5 - PKMSRP: $23.86$22.31 -
V-Twin - 49-3011 - Indian Rocker Clutch Spring - Fits 1920-1946 Indian Scout, 1922-1953 Chief
V-Twin Mfg
MSRP: $15.86$15.70Indian rocker clutch spring Fits: Scout 1920-1946 Chief 1922-1953 Additional Information UOM 5 - PKMSRP: $15.86$15.70 -
V-Twin - 49-3009 - Indian Cylinder Base Nut Set Zinc - Fits 1920-1946 Indian Scout, 1922-1953 Chief
V-Twin Mfg
MSRP: $19.86$19.66Zinc Indian cylinder base nut set Fits: Scout 1920-1946 Chief 1922-1953 Additional Information UOM 1 - SETMSRP: $19.86$19.66 -
V-Twin - 49-2782 - Spring Fork Rocker Set Black - Fits 1936-1939 Harley-Davidson EL, 1930-1936 VL, 1937-1939 UL
V-Twin Mfg
$232.77Spring Fork rocker set features a black finish with markings; SC-4A on the right rocker and SC-3A on the left rocker. Set is the offset type for use on Big Twin Spring Forks.Includes steel bushings...$232.77 -
V-Twin - 49-2650 - Replica Rocker Box Set Polished - Fits 1941-1947 Harley-Davidson FL, EL
V-Twin Mfg
$472.75Replica Knucklehead rocker box set has a polished finish and and features the later 1941-1947 style shape.Set is Replica of 1941-1947 rocker boxes which will accept the later lower valve spring cups...$472.75 -
V-Twin - 49-2601 - Replica Rocker Box Set Raw - Fits 1941-1947 Harley-Davidson FL, EL
V-Twin Mfg
$425.07Replica Knucklehead rocker box set has alloy construction with a raw finish and features the later 1941-1947 style shape.Set is Replica of 1941-1947 rocker boxes which will accept the later lower...$425.07 -
V-Twin - 49-2580 - Lower Valve Cover Retainer - Fits 1939-1948 Harley-Davidson UL
V-Twin Mfg
MSRP: $45.13$44.22Side valve lower valve cover retainer.Set of four. Fits: UL 1939-1948 Additional Information OEM No. 18258-39MSRP: $45.13$44.22 -
V-Twin - 49-2562 - Breather Valve - Fits 1937-1952 Harley-Davidson WL, 1937-1948 UL (74" and 80"), 1937-1973 G
V-Twin Mfg
$29.58Side valve breather valve Fits: WL 1937-1952 UL 1937-1948 74" and 80" G 1937-1973 Additional Information OEM No. 25350$29.58 -
V-Twin - 49-2534 - Zinc Replica Relay Mount - Fits 1947-1964 Harley-Davidson FL, 1947-1952 EL
V-Twin Mfg
$30.04Replica relay mount with zinc finish for overhead models. Fits: FL 1947-1964 EL 1947-1952 Additional Information OEM No. 74765-4$30.04 -
V-Twin - 49-1968 - Valve Cover Washer
V-Twin Mfg
$29.85V-Twin - 49-1968 - Valve Cover WasherDescriptionSide valve valve cover washer Fits:ULH 1939-1941UL 1939-1948Additional Information$29.85 -
V-Twin - 49-1743 - Engine Breather Pipe - Fits 1936-1938 Harley-Davidson EL
V-Twin Mfg
$64.02Engine case breather pipe and stud is for Knucklehead engines.Machined construction with a parkerized finish as original. Fits: EL 1936-1938 Additional Information$64.02 -
V-Twin - 49-1348 - 1936 EL Cylinder Head Set Bare
Motortechnic
MSRP: $5,001.12$4,789.07V-Twin - 49-1348 - 1936 EL Cylinder Head Set Bare Description Bare Knucklehead cylinder head set features a cast iron construction with factory casting marks. This is the exact replica of the 1936...MSRP: $5,001.12$4,789.07 -
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<$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...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...$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...$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...$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...$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$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 UOM$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...$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 - KI$52.69 -
V-Twin - 49-0967 - UL-ULH Valve Cover Set Zinc - Fits 1939-1941 Harley-Davidson ULH, 1939-1948 UL
V-Twin Mfg
$250.69UL and ULH zinc valve cover set. Fits:ULH 1939-1941UL 1939-1948Additional Information OEM No.18236-39$250.69 -
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.18248-39MSRP: $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 UOM$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$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...$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$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 InformationMSRP: $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$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...$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...$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$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...$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...$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...$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...$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...$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$102.52
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.