Rockers
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V-Twin - 3023-34 - Rocker Arm Cover Screw Kit Chrome
Colony
$22.50V-Twin - 3023-34 - Rocker Arm Cover Screw Kit ChromeDescriptionChrome rocker arm cover hex head phillips screw kit is the reproduction of screws used on 1938-1947 Knucklehead models.This is a 34 piece kit. Fits:EL 1939-1940FL 1941-1947Additional...$22.50 -
V-Twin - 2955-34 - Rocker Arm Cover Screw Kit Parkerized
Colony
$58.43V-Twin - 2955-34 - Rocker Arm Cover Screw Kit ParkerizedDescriptionRocker arm cover fillister head slotted parkerized screw kit for 1938 61" overhead valve models is the reproduction of screws used on 1938-1947 Knucklehead models.This is a 34 piece kit...$58.43 -
V-Twin - 2850-24 - Panhead Valve Cover Screws Cadmium
Colony
$28.98V-Twin - 2850-24 - Panhead Valve Cover Screws CadmiumDescriptionPanhead valve cover screws feature a cadmium finish and are used on valve covers without d-rings.48 piece set includes 18 round head phillips screws, 6 allen screws and 24 lock washers...$28.98 -
V-Twin - 2078-18 - Lower Rocker Arm Cover Mount Kit
Colony
$31.45V-Twin - 2078-18 - Lower Rocker Arm Cover Mount KitDescriptionLower rocker arm cover mount kit. Fits:FXST 1984-1998FLT 1984-1998FXD 1991-1998FXR 1984-1994FLST 1986-1998Additional Information UOM1 - KIT ManufacturerColony OriginUSA 2025 Catalog Pages37$31.45 -
V-Twin - 2020-8 - Rocker Arm Slotted Cadmium Cover Plug Kit
Colony
$41.51V-Twin - 2020-8 - Rocker Arm Slotted Cadmium Cover Plug KitDescriptionSlotted type rocker arm cover plug kit with a cadmium finish . Features a 1/2" - 20 thread to be used on later type rocker shafts. Fits:FL 1971-1984FLT 1979-1983FX 1971-1984FXR...$41.51 -
V-Twin - 2019-8 - Rocker Arm Slotted Chrome Cover Plug Kit
Colony
$48.25V-Twin - 2019-8 - Rocker Arm Slotted Chrome Cover Plug KitDescriptionSlotted type rocker arm cover plug kit with a chrome finish. Features a 1/2" - 20 thread to be used on later type rocker shafts. Fits:FL 1971-1984FLT 1979-1983FX 1971-1984FXR...$48.25 -
V-Twin - 2016-6 - D-Ring Cadmium Rocker Arm Cover Screw Set
Colony
$22.60V-Twin - 2016-6 - D-Ring Cadmium Rocker Arm Cover Screw SetDescriptionCadmium rocker arm cover screw set for steel D-ring. Screws have a 1/4" - 20 thread. Fits:FL 1948-1965Additional Information UOM6 - SET ManufacturerColony OriginUSA 2025 Catalog...$22.60 -
V-Twin - 2015-6 - D-Ring Chrome Rocker Arm Cover Screw Set
Colony
$25.65V-Twin - 2015-6 - D-Ring Chrome Rocker Arm Cover Screw SetDescriptionChrome rocker arm cover screw set for steel D-ring. Screws have a 1/4" - 20 thread. Fits:FL 1948-1965Additional Information UOM6 - SET ManufacturerColony OriginUSA 2025 Catalog...$25.65 -
V-Twin - 2014-6 - D-Ring Cadmium Rocker Arm Cover Screw Set
Colony
$22.60V-Twin - 2014-6 - D-Ring Cadmium Rocker Arm Cover Screw SetDescriptionCadmium rocker arm cover screw set for alloy D-ring. Screws have a 1/4" - 20 thread. Fits:FL 1948-1965Additional Information UOM6 - SET ManufacturerColony OriginUSA 2025 Catalog...$22.60 -
V-Twin - 2013-6 - D-Ring Chrome Rocker Arm Cover Screw Set
Colony
$25.65V-Twin - 2013-6 - D-Ring Chrome Rocker Arm Cover Screw SetDescriptionChrome rocker arm cover screw set for alloy D-ring. Screws have a 1/4" - 20 thread. Fits:FL 1948-1965Additional Information UOM6 - SET ManufacturerColony OriginUSA 2025 Catalog...$25.65 -
V-Twin - 13-9206 - Valve Spring Kit
Eastern
$79.67V-Twin - 13-9206 - Valve Spring KitDescriptionValve spring kit includes springs, collars and keepers. Fits:K 1954-1956Additional Information UOM1 - KIT ManufacturerEastern OriginUSA 2025 Catalog Pages820$79.67 -
V-Twin - 13-9205 - Valve Spring Kit
Eastern
$79.67V-Twin - 13-9205 - Valve Spring KitDescriptionValve spring set includes springs, collars and keepers for K models. Fits:K 1952-1953Additional Information UOM1 - KIT ManufacturerEastern OriginUSA 2025 Catalog Pages820$79.67 -
V-Twin - 13-0222 - Valve Spring Set
Eastern
$53.22V-Twin - 13-0222 - Valve Spring SetDescriptionValve spring set for K models.Set of four. Fits:K 1954-1956Additional Information OEM No.18200-32 UOM1 - SET ManufacturerEastern OriginUSA 2025 Catalog Pages820$53.22 -
V-Twin - 13-0221 - Valve Spring Set
Eastern
$54.88V-Twin - 13-0221 - Valve Spring SetDescriptionValve spring set for K models.Set of four. Fits:K 1952-1953Additional Information OEM No.18201-52 UOM1 - SET ManufacturerEastern OriginUSA 2025 Catalog Pages820$54.88 -
V-Twin - 13-0100 - Rocker Arm Springs
Eastern
$22.54V-Twin - 13-0100 - Rocker Arm SpringsDescriptionRocker arm springs is a OEM replacement. Fits:XL 1957-1985Additional Information OEM No.17483-57 UOM10 - PK ManufacturerEastern OriginUSA 2025 Catalog Pages848$22.54 -
V-Twin - 12-8955 - Replica Red Rocker Arm Nut Set Zinc Plated
Motorshop
$18.74V-Twin - 12-8955 - Replica Red Rocker Arm Nut Set Zinc PlatedDescriptionReplica rocker arm nut set has a thread size of 7/16 x 20. These hex nuts with red tops are zinc plated.Sold as a set of 4. Fits:FX 1971-1984FXR 1982-1983FL 1966-1984XL 1957-1985FLT...$18.74 -
V-Twin - 12-2524 - Rocker Box Cover Stud Kit
Motorshop
$29.51V-Twin - 12-2524 - Rocker Box Cover Stud KitDescriptionSifton rocker box cover stud kit for 1 head. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.17506-66 UOM1 - KIT ManufacturerMotorshop OriginImported 2025...$29.51 -
V-Twin - 12-2122 - Rocker Arm Shim
Eastern
$16.58V-Twin - 12-2122 - Rocker Arm ShimDescriptionRocker arm shim 10 pack. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.17450-73 UOM10 - PK MeasurementsAdditional InformationOuter Diameter: 7/8"Inner Diameter:...$16.58 -
V-Twin - 12-2116 - Rocker Arm Spacer
Eastern
$20.48V-Twin - 12-2116 - Rocker Arm SpacerDescriptionUsed in between each pair of rocker arms these spacers are sold in a pack of 10. Fits:XL 1957-1983Additional Information OEM No.17451-57 UOM10 - PK ManufacturerEastern OriginUSA 2025 Catalog Pages848$20.48 -
V-Twin - 12-2115 - Rocker Arm Spacer
Motorshop
$23.88V-Twin - 12-2115 - Rocker Arm SpacerDescriptionUsed in between each pair of rocker arms these spacers are sold in a pack of 4. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.17452-66 UOM1 - SET ...$23.88 -
V-Twin - 12-2114 - Rocker Arm Stud Set
Motorshop
$33.62V-Twin - 12-2114 - Rocker Arm Stud SetDescriptionReplica Panhead rocker arm eight piece stud set. Fits:FL 1948-1965Additional Information OEM No.17647-48 UOM8 - PK ManufacturerMotorshop OriginImported 2025 Catalog Pages508 Replacement Items9917-8 -...$33.62 -
V-Twin - 12-2106 - Rocker Box Cover Zinc Finish Stud Set
Motorshop
$39.62V-Twin - 12-2106 - Rocker Box Cover Zinc Finish Stud SetDescriptionRocker box stud set for one head. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.17506-66 UOM1 - KIT MeasurementsAdditional Information8 Bolts...$39.62 -
V-Twin - 12-1966 - Satin Rocker Arm Shaft End Caps
Motorshop
$8.62V-Twin - 12-1966 - Satin Rocker Arm Shaft End CapsDescriptionRocker shaft end caps are 7/16" X 20 thread pitch with a brushed nickel finish.Sold as a set of 4. Fits:FX 1971-1984FXR 1982-1983FL 1966-1984XL 1957-1985FLT 1980-1983Additional Information OEM...$8.62 -
V-Twin - 12-1764 - OE Rocker Arm Bushing
OE
$14.60V-Twin - 12-1764 - OE Rocker Arm BushingDescriptionOE rocker arm bushing. Fits:XL 1986-2021Additional Information OEM No.11000127 UOM1 - EA ManufacturerOE OriginUSA 2025 Catalog Pages173$14.60 -
V-Twin - 12-1193 - Rocker Arm End Shaft Washer
Eastern
$13.88V-Twin - 12-1193 - Rocker Arm End Shaft WasherDescriptionReplica zinc plated rocker end shaft washers measure 13/32 x 5/8 x 1/32Washers are for use on left side of Shovelhead rocker boxes. Sold in a pack of 25. Fits:FLT 1979-1983FX 1971-1984FXR...$13.88 -
V-Twin - 12-0730 - Rocker Arm Shaft Brass Washer
Motorshop
$29.04V-Twin - 12-0730 - Rocker Arm Shaft Brass WasherDescriptionKnucklehead rocker arm shaft brass washer measures 7/16" x 3/16" x 1/16".NOTE: The thickness is .035-.038". Fits:FL 1941-1947EL 1937-1940Additional Information OEM No.6475 UOM10 - PK ...$29.04 -
V-Twin - 12-0715 - .015 Rocker Arm Shim
Eastern
$18.34V-Twin - 12-0715 - .015 Rocker Arm ShimDescriptionRocker Arm Shim .015 Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984XL 1957-1985Additional Information UOM10 - PK ManufacturerEastern OriginUSA 2025 Catalog Pages512$18.34 -
V-Twin - 12-0710 - .007 Rocker Arm Shim
V-Twin
$17.58V-Twin - 12-0710 - .007 Rocker Arm ShimDescriptionRocker Arm Shim, .007 for 1966-1984 Big Twin, 1957-1984 XL Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984XL 1957-1985Additional Information OEM No.6767 UOM10 - PK ManufacturerV-Twin OriginUSA...$17.58 -
V-Twin - 12-0704 - .005 Rocker Arm Shims
V-Twin Manufacturing
$17.44V-Twin - 12-0704 - .005 Rocker Arm ShimsDescriptionRocker arm shim .005 for 1966-1984 Big Twin and 1957-1984 Sportster Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984XL 1957-1985Additional Information OEM No.6767 UOM10 - PK ...$17.44 -
V-Twin - 12-0571 - Flexloc Nut for Rocker Arm Stud Cadmium
Motorshop
$27.76V-Twin - 12-0571 - Flexloc Nut for Rocker Arm Stud CadmiumDescriptionReplica rocker arm stud flex jam nuts are all metal, are cadmium plated, and are 5/16-24. Fits:FL 1948-1965Additional Information OEM No.7727 UOM10 - PK ManufacturerMotorshop ...$27.76 -
V-Twin - 12-0525 - Red Rocker Arm Shaft End Caps
Motorshop
$21.72V-Twin - 12-0525 - Red Rocker Arm Shaft End CapsDescriptionReplica Red Rocker Shaft End Caps are 1/2" X 20 thread pitch and come with a high chrome finish. Fits:FX 1971-1984FXR 1982-1983FL 1966-1984XL 1957-1985FLT 1980-1983Additional Information OEM No...$21.72 -
V-Twin - 11-1766 - M8 Rocker Box Cover Set Chrome
V-Twin
$618.91V-Twin - 11-1766 - M8 Rocker Box Cover Set ChromeDescriptionM8 rocker box cover set features a chrome finish with a finned design.Includes correct mounting hardware. Fits:FLST 2018-UPFLT 2017-UPFXST 2018-UPAdditional Information UOM1 - SET FinishChrome...$618.91 -
V-Twin - 11-1650 - M8 Lower Rocker Cover Screw Standard Set Zinc Plated
V-Twin
$23.88V-Twin - 11-1650 - M8 Lower Rocker Cover Screw Standard Set Zinc PlatedDescriptionRocker box cover screw set features a zinc plated finish for M8 models. Set is for the center of the rocker arm cover to accept top rocker cover screw.Order remaining screw...$23.88 -
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 - 11-1174 - 1936 Rocker Arm Cork Set
V-Twin
$43.60V-Twin - 11-1174 - 1936 Rocker Arm Cork SetDescriptionRocker arm cork set for 1936 open rocker arm installations.Sold as a set of 4. Fits:EL 1936-1937Additional Information OEM No.120-36 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog...$43.60 -
V-Twin - 11-1172 - 1936 Rocker Arm Packing Washer Set
V-Twin
$43.60V-Twin - 11-1172 - 1936 Rocker Arm Packing Washer SetDescriptionRocker arm packing washer set measures 1-1/32" x .0375, featuring a steel construction.Sold as a pack of 4. Fits:EL 1936-1937Additional Information OEM No.123-36 UOM1 - SET ...$43.60 -
V-Twin - 11-1170 - 1936 Rocker Shaft Washer Set
V-Twin
$54.53V-Twin - 11-1170 - 1936 Rocker Shaft Washer SetDescriptionRocker shaft washer set for the rocker box side, features a ground surface.Right side of rocker box shaft end. Washers have ground surface. Sold as a set of 4. *NOTE: Fits on shaft on the outside...$54.53 -
V-Twin - 11-1157 - Knucklehead Rocker Arm Set
V-Twin Manufacturing
$525.54V-Twin - 11-1157 - Knucklehead Rocker Arm SetDescriptionMachined 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"...$525.54 -
V-Twin - 11-1149 - 1936 Rocker Arm Shaft Set
Motorshop
$280.53V-Twin - 11-1149 - 1936 Rocker Arm Shaft SetDescriptionRocker arm shaft set features threaded holes to accept oval head screws.Attaches round cover rocker shaft spacer under round cover to hold seal packing in place. ...$280.53 -
V-Twin - 11-1143 - 1936 Knucklehead Rocker Shaft and Cap Kit
V-Twin
$578.35V-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 head screws. Fits:EL 1936-1936Additional Information ...$578.35
Harley Rockers & Rocker Boxes
Crafted from high-strength forged steel or billet aluminum, our Harley rocker arms and rocker boxes are built to handle the demands of high-RPM engines and heavy-duty riding. Enhanced oil flow channels improve lubrication and cooling, while reducing valvetrain noise and increasing engine response.
Designed to exceed OEM standards, our rockers and rocker boxes fit a wide range of Harley-Davidson models and are easy to install—making them ideal for both custom builds and restorations.
Give your V-twin the upgrade it deserves. Shop our collection of Harley rockers and rocker boxes today and boost both performance and reliability.