Knucklehead Parts

V-Twin Knucklehead lapel pin with a stick pin clasp, silver patina.

V-Twin - 14-0452 - Knucklehead Valve Guide Seal SetDescriptionValve guide seals for stock guides for Knucklheads.*NOTE: Sold as a set of 4. Fits:EL 1936-1940FL 1941-1947Additional Information UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog...

V-Twin - 38-6679 - Knucklehead Tank Stainless Steel Trim Set 1940-46DescriptionGas tank emblem trim set is stainless steel and is for 1940-1946 knucklehead models.Trim snaps into place as original, order mount strips and mount screws separately. Sold as...

Colony - Acorn Stem Nut with Shoulder fits '36-'77 Big Twin, '48-'65 Panhead, '36-'47 Knucklehead Models Features: Chrome-plated replacement stem nut for a variety of stock and custom front ends and triple trees Made in the U.S.A...

V-Twin - 12-0856 - Knucklehead Oil Pump Governor RotorDescriptionOil pump centrifugal valve is precision ground for fit and features an oiled finish. Designed to be driven by the scavenger oil pump idler gear.Centrifugal valve bypasses oil at low and...

V-Twin - 30-0880 - Replica Knucklehead Muffler BlackDescriptionReplica black muffler features a spot seam welded body construction with formed ends.The muffler body has a diameter of 3-1/4" with a 1-3/4" diameter inlet. The overall length is 27-1/4"...

V-Twin - 35-0445 - Brass Knucklehead Carburetor Throttle LeverDescriptionKnucklehead throttle lever material is cast brass. Clamping and idle adjustment screws are included.Lever features one hole for cable block location. Fits:FL 1940-1947Additional...

V-Twin - 48-0323 - 1936-1947 Knucklehead and 1937-1948 UL Parts BookDescriptionSpare parts book for 1936-1947 Knucklehead and Flathead provides OEM numbers to help identify exact parts required for application and range of fitment.**NOTE Product May Not...

V-Twin - 48-0489 - V-Twin Knucklehead Service and Parts ManualDescriptionKnucklehead service and parts manual includes 592 pages of V-Twin catalog, service dope and parts reference.A very complete Knucklehead information source! **NOTE Product may not be...

V-Twin - 48-1516 - Large Knucklehead Motor ModelDescriptionLarge 1:6 scale knucklehead motor model with authenthic details, including exhaust header set! This pewter model is fully assembled on a wooden display base.*NOTE: Pewter type metal...

Colony - 8201-10 Wheel Hub Outer Screw Kit fits '36-'47 Knucklehead Model (OEM #2756, 7230) - Cadmium Features: Round head screws and washers Made in the U.S.A...

Colony - 9670-10 Wheel Hub Outer Screw Kit fits '36-'47 Knucklehead Model (OEM #2756, 7230) - Parkerized Features: Round head screws and washers Made in the U.S.A. Fitment 1949-1951, 1953-1957 Harley-Davidson Hydra Glide...

Colony - Dash Plate Mounting Kit fits '36-'47 Knucklehead Model (OEM #3550, 71065-36, 71589-39) Features: Includes all necessary hardware to properly install dash plate and cover Made in the U.S.A...

Colony - Motor Case Kit fits '40-'47 Knucklehead Model (OEM #24806-36, 24809-30) Features: Contain all necessary hardware to bolt together stock motor cases Made in the U.S.A. Replacement Part for OEM: 2480636 2480930 2481540 4432 Fitment: ...

V-Twin - 10-0065 - 8-Finned Knucklehead Cam Cover Die CastDescription8-finned cam cover includes bushings and breather pipe with a stock die cast finish.Cam cover bushings must be checked and fitted (reamed) for final assembly. Check end play as well...

V-Twin - 10-0104 - Knucklehead Engine Case SetDescriptionMotor case set features a blank number boss, there are no serial numbers on the case. Sold with Bill of Sale only.Oil from top end returns through pushrod tubes. Does not return through cylinder...

V-Twin - 10-0349 - Knucklehead Cam Chest Assembly KitDescriptionV-Twin Knucklehead cam chest assembly kit includes internal Big Twin replacement type parts for years listed, including a Sifton cam, Replica cam cover and hardware. Fits:EL...

V-Twin - 10-0498 - Knucklehead Cam Chest Assembly KitDescriptionV-Twin Knucklehead cam chest assembly kit includes internal Big Twin replacement type parts for years listed, including a Sifton cam, Replica cam cover and hardware. Fits:EL 1936-1940FL...

V-Twin - 10-0499 - Knucklehead Cam Chest Assembly KitDescriptionV-Twin Knucklehead cam chest assembly kit includes internal Big Twin replacement type parts for years listed, including a Sifton cam, replica finned cam cover for 61 and 74 engines, and...

V-Twin - 10-0578 - Lightning Cam Chest Assembly Kit KnuckleheadDescriptionV-Twin Motor Shop lightning cam chest assembly kit includes internal Big Twin replacement type parts for years listed, including a Sifton cam.Order cam bearings and bushing kit...

V-Twin - 10-0629 - Lightning Cam Chest Assembly Kit KnuckleheadDescriptionV-Twin Motor Shop lightning cam chest assembly kit includes internal Big Twin replacement type parts for years listed, includeing a Sifton cam.Order cam bearings and bushing kit...

V-Twin - 10-0942 - 1936 61 inch Knucklehead Engine Case SetDescriptionFor 61" Knucklehead motors accurately cast and machined by Motortechnic in Germany. Features a natural cast finish and a blank number boss.Set accepts large or small OD flywheels that...

V-Twin - 10-0945 - Knucklehead 74 inch Engine Case Set NaturalDescription74" motor case for knucklehead motors accurately cast and machined. Features a natural cast finish and a blank number boss. Manufacturer's Bill of Sale available upon request.Case...

V-Twin - 10-0980 - Knucklehead Engine Case SetDescriptionKnucklehead engine case set includes case bushings standard size rollers.Oil from top end returns through pushrod tubes. Does not return through cylinder base. Case accepts loose roller bearings on...

V-Twin - 10-1106 - Aluminum Knucklehead Bare Head SetDescriptionAluminum Knucklehead bare head set is casted of heat treated aluminum for 74" Knuckle motors, and is the large port type.Cast aluminum heads includes steel valve seats and large port screw -...

V-Twin - 10-1186 - Knucklehead Cast Tab SetDescriptionKnucklehead Rocker Box Mount Tab Replacements include a set of two tabs made in a single mold casting.The tabs must be cut to size, one long and one short, and must be welded on.*NOTE: Holes are not...

V-Twin - 10-1209 - Knucklehead Engine Case SetDescription2023 New Production motor case set features a blank number boss, there are no serial numbers on the case. Sold with Bill of Sale only. Includes the welch plug, and the right and left case races...

V-Twin - 10-1383 - Knucklehead Engine Case SetDescriptionMotor case set features a blank number boss, there are no serial numbers on the case. The left side case features detailed shape. Sold with Bill of Sale only.Oil from top end returns through...

V-Twin - 10-1449 - Knucklehead Cam Chest KitDescriptionV-Twin Knucklehead cam chest kit is for use when building our replica engines.Kit includes Andrews N grind cam Knucklehead and all components except cam cover. All year Knucklehead cam covers are...

V-Twin - 10-1453 - Knucklehead Cam Chest KitDescriptionV-Twin Knucklehead cam chest kit is for use when building our replica engines.Kit includes a standard cam chest breather valve gear, a smooth cam cover, oil pump drive gear, cam case pump drive gear,...

V-Twin - 10-1626 - 8-Finned Knucklehead Cam Cover CastDescriptionForged aluminum 1940 Knucklehead 8-finned cam cover features a natural cast finish and includes the "welch" plug installed, as original, in the top and rear. Cam cover also includes OHO oil...

V-Twin - 10-1640 - 1937 Knucklehead Head SetDescription1937 Knucklehead head set is accurately cast with the original factory markings for the 61" models and features a black finish. The heads include 61" intake nipples that are installed.Uses 1-3/8"...

V-Twin - 10-1645 - 8-Finned Knucklehead Cam Cover PolishedDescriptionForged aluminum 1940 Knucklehead 8-finned cam cover features a polished finish and includes the "welch" plug installed, as original, in the top and rear. Cam cover also includes OHO oil...

V-Twin - 10-1748 - 8-Finned Knucklehead Cam Cover ChromeDescriptionForged aluminum 1940 Knucklehead 8-finned cam cover features a chrome finish and includes the "welch" plug installed, as original, in the top and rear. Cam cover also includes OHO oil...

V-Twin - 10-1832 - Knucklehead Cam Cover Trim Set AlloyDescriptionKnucklehead cam cover trim set attaches to the existing cam cover with a 1936 stule screw set.Kit includes an alloy 8-finned style cam cover, an inner mount ring and 12 screws. Fits:FLT...

V-Twin - 10-1889 - 1940 Knucklehead 8-Finned Cam Cover PolishedDescriptionForged aluminum 1940 Knucklehead 8-finned cam cover features a polished finish and includes the "welch" plug installed, as original, in the top and rear. Cam cover also includes...

V-Twin - 10-1936 - Replica Cast Cam Cover Description Cast cover is an exact replica of the early 1936 61" EL models, perhaps for the first 200 units made that year. Cover features natural cast finish, as original!Bushings and breather plate are...

V-Twin - 10-1939 - Replica Knucklehead Cam Cover Description Replica cam cover includes bushings and breather pipe with smooth natural finish. This OEM Replica is cast with exclusive V-Twin molds and tooling.Cam cover is exact Replica for 1937-1940 EL...

V-Twin - 10-2965 - Andrews N Grind Cam Knucklehead Description Andrews N grind cam is a stock replacement cam for Knucklehead models and 61" engines. Cam is excellent to use for stock motors or restorations. Cam lift is .355. Fits: EL...

V-Twin - 10-8181 - Replica Lightning Cam for Knucklehead Description Replica lightning cam for 1936-1947 Knucklehead.Stock .355 lift cam with a 236 duration. Fits: EL 1936-1940 FL 1941-1947 Additional Information OEM No...