Knucklehead Parts
Shop the best parts for your Harley-Davidson Knucklehead motorcycle at Deadbeat Customs. The collection includes engine components, oil system parts, rocker boxes, exhaust components, ignition parts, fuel system components and restoration hardware for 1936-1947 Knucklehead models. Designed for dependable performance and authentic restorations, these parts complement Harley engine parts and vintage motorcycle restoration parts.
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Out of stock
V-Twin - 11-0025 - Knucklehead Rocker Arm Set
Motorshop
$511.40V-Twin - 11-0025 - Knucklehead Rocker Arm SetDescriptionKnucklehead rocker arm set.Sold as a set of 4. Fits:FL 1941-1947EL 1937-1940Additional Information$511.40 -
V-Twin - 11-0879 - Knucklehead Rocker Arm Shaft Set
Motorshop
$315.00V-Twin - 11-0879 - Knucklehead Rocker Arm Shaft SetDescriptionKnucklehead rocker arm shaft set features oil galley's milled into each shaft, as required on the 1937 EL models, with the tea cup type...$315.00 -
Out of stock
V-Twin - 11-1142 - 1936 Rocker Inner Nut Set
V-Twin Mfg
$97.74V-Twin - 11-1142 - 1936 Rocker Inner Nut Set Description 1936 rocker inner nut set.Sold as a 4 piece set. Fits: EL 1936-1936 Additional Information$97.74 -
V-Twin - 11-1143 - 1936 Knucklehead Rocker Shaft and Cap Kit
V-Twin Mfg
$664.33V-Twin - 11-1143 - 1936 Knucklehead Rocker Shaft and Cap KitDescription1936 Knucklehead rocker end cap kit with rocker arm shafts.Sold as a 32 piece kit. *NOTE: Caps fastened to rocker shafts by oval...$664.33 -
V-Twin - 11-1149 - 1936 Rocker Arm Shaft Set
Motorshop
$332.57V-Twin - 11-1149 - 1936 Rocker Arm Shaft Set Description Rocker arm shaft set features threaded holes to accept oval head screws.Attaches round cover rocker shaft spacer under round cover to hold...$332.57 -
Out of stock
V-Twin - 11-1157 - Knucklehead Rocker Arm Set - Fits 1940-1947 Harley-Davidson FL, 1938-1947 EL
V-Twin Mfg
$639.57Machined Knucklehead rocker arm set.For use on the 1936-1937 valve spring cup and cap style covers, where the rocker arms will be exposed. The outer diameter of the rocker arm is turned down to .80"...$639.57 -
V-Twin - 11-1170 - 1936 Rocker Shaft Washer Set
V-Twin Mfg
$65.60V-Twin - 11-1170 - 1936 Rocker Shaft Washer Set Description Rocker shaft washer set for the rocker box side, features a ground surface.Right side of rocker box shaft end. Washers have ground...$65.60 -
V-Twin - 11-1172 - 1936 Rocker Arm Packing Washer Set
V-Twin Mfg
$47.78V-Twin - 11-1172 - 1936 Rocker Arm Packing Washer Set Description Rocker arm packing washer set measures 1-1/32" x .0375, featuring a steel construction.Sold as a pack of 4. Fits: EL...$47.78 -
V-Twin - 11-1174 - 1936 Rocker Arm Cork Set
V-Twin Mfg
$47.78V-Twin - 11-1174 - 1936 Rocker Arm Cork Set Description Rocker arm cork set for 1936 open rocker arm installations.Sold as a set of 4. Fits: EL 1936-1937 Additional Information$47.78 -
V-Twin - 11-1199 - 1936 Knucklehead Rocker Nut Kit
V-Twin Mfg
$571.01V-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...$571.01 -
Out of stock
V-Twin - 11-1449 - Evolution Knucklehead Rocker Box Cover Kit - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
MSRP: $723.95$400.31Knucklehead Rocker box kit features a natural cast finish for Evolution models and offers additional cooling. Rocker box cover kit includes two covers, two knucklehead and four chrome hex knucklehead...MSRP: $723.95$400.31 -
Out of stock
V-Twin - 11-1547 - 1936 Knucklehead Rocker Arm Set
V-Twin Mfg
$776.16V-Twin - 11-1547 - 1936 Knucklehead Rocker Arm SetDescription1936 Knucklehead rocker arm set is nickel plated and is for use with exposed rocker arms on 1936-1937 EL models only.Buttons are...$776.16 -
Out of stock
V-Twin - 11-1675 - Knucklehead Rocker Box Cover Only - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
$232.77One piece rocker box cover features a raw finish and is for use on Knucklehead rocker box kits. Fits:FLST 1985-1999FLT 1985-1998FXST 1985-1999Additional Information$232.77 -
Out of stock
V-Twin - 11-1676 - Evolution Knucklehead Rocker Box Cover - Fits 1985-1999 Harley-Davidson FLST, 1985-1998 FLT, 1985-1999 FXST
V-Twin Mfg
$249.48Evolution Knucklehead rocker box cover fetures a raw finish and is one piece only for use on Knucklehead rocker box kit. Fits:FLST 1985-1999FLT 1985-1998FXST 1985-1999Additional Information$249.48 -
V-Twin - 3307-4 - Knucklehead Intake and Exhaust Rocker Arm Cover Return Oil
Colony Machine
$36.18V-Twin - 3307-4 - Knucklehead Intake and Exhaust Rocker Arm Cover Return OilDescriptionSet of 4 nuts used on 1936-1947 Knucklehead rocker cover return lines. Fits:EL 1936-1940FL 1941-1947Additional...$36.18 -
V-Twin - 37-0905 - 1936 Oval Head Screw Set
V-Twin Mfg
$54.47V-Twin - 37-0905 - 1936 Oval Head Screw Set Description 1936 oval head screw set for Knucklehead rocker shaft end caps.Sold as a set of 4. Fits: EL 1936-1936 Additional Information$54.47 -
V-Twin - 42-0854 - Knucklehead Rocker Arm Cover Set Parkerized - Fits 1941-1947 Harley-Davidson FL, 1938-1940 EL
V-Twin Mfg
$98.88Parkerized Knucklehead rocker arm cover set includes two intake and two exhaust covers only, without screws.Order strip set with gasket and screws separately. Fits:FL 1941-1947EL 1938-1940Additional...$98.88 -
V-Twin - 49-0011 - Replica Knucklehead Rocker Box Set - Fits 1942-1947 Harley-Davidson FL, 1938-1940 EL
V-Twin Mfg
$419.20Replica early style rocker box set with a natural finish has the shape of 1936-1940 Knuckleheads, but will fit 1936-1947 models.Rocker boxes are machined from accurate casting with a natural cast...$419.20 -
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 - 49-1293 - 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 - 49-1301 - 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 - 49-1307 - 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 - Knucklehead Nickel Plated Rocker Box Cap with Fitting fits '36-'37 EL Model
V-Twin Mfg
$55.24V-Twin - Knucklehead Nickel Plated Rocker Box Cap with Fitting fits '36-'37 EL Model Nickel plated cap includes a screw-in fitting for front rocker boxes on 1936 61" Knuckleheads only. Note: Set...$55.24 -
Out of stock
V-Twin - Knucklehead Nickel Plated Rocker Box Fitting fits '36-'37 EL Model
V-Twin Mfg
$49.01V-Twin - Knucklehead Nickel Plated Rocker Box Fitting fits '36-'37 EL Model Knucklehead rocker box fitting features a nickel plated finish. Fitment: EL 1936-1937$49.01 -
V-Twin - Knucklehead Rocker Box Cap with Fitting fits '36-'37 EL Model (OEM #97-36)
V-Twin Mfg
$54.47V-Twin - Knucklehead Rocker Box Cap with Fitting fits '36-'37 EL Model (OEM #97-36) Natural brass cap includes a screw-in fitting for front rocker boxes on 1936 61" Knuckleheads only. Machined of...$54.47 -
V-Twin - Knucklehead Rocker Box Fitting fits '36-'37 EL Model (OEM #94-36)
V-Twin Mfg
$47.78V-Twin - Knucklehead Rocker Box Fitting fits '36-'37 EL Model (OEM #94-36) Knucklehead rocker box fitting features a brass finish. Machined of brass should be cadmium plated by customer for...$47.78 -
V-Twin - Knucklehead Rocker Box Retaining Ring fits '36-'40 EL Model (OEM #124-36)
V-Twin Mfg
$54.47V-Twin - Knucklehead Rocker Box Retaining Ring fits '36-'40 EL Model (OEM #124-36) Knucklehead rocker box retaining rings features a parkerized finish. Fitment: EL 1936-1940$54.47
Knucklehead Parts Restoration Systems – Classic Engine Components & Replacement Parts
Knucklehead Parts offers quality replacement and restoration components for classic Harley-Davidson Knucklehead motorcycles. The lineup includes engine cases, cylinders, cylinder heads, rocker boxes, cam chest components, valve train parts, oil pumps, oil lines, distributor assemblies and engine hardware built to support reliable rebuilds and period-correct restorations. These products work perfectly with Harley engine parts, motorcycle gaskets, ignition components and motorcycle oil system parts.
The product range also includes exhaust systems, air cleaners, carburetor components, fuel tanks, frame parts, manuals, restoration hardware and vintage accessories for 1936-1947 Knucklehead models. Whether you're replacing worn components or completing a full restoration, Knucklehead Parts provides dependable solutions that pair with motorcycle exhaust systems, motorcycle carburetors, motorcycle fuel system parts, motorcycle engine rebuild kits and vintage Harley parts.
Shop Knucklehead Parts at Deadbeat Customs for premium parts that help keep classic Harley-Davidson motorcycles running and looking their best. Complete your project with Harley replacement parts, classic motorcycle parts, motorcycle engine components, motorcycle restoration hardware and vintage Harley accessories.