Rockers
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V-Twin - 42-0771 - Replica Stainless Steel Panhead Valve Cover
V-Twin Mfg
$149.71V-Twin - 42-0771 - Replica Stainless Steel Panhead Valve CoverDescriptionReplica Panhead valve covers are manufactured of magnetic stainless steel with polishing. Covers are the authentic reproduction using new updated tooling for exact fit and shape...$149.71 -
V-Twin - 42-0754 - Chrome Rocker Box Cover Set
V-Twin Mfg
$450.01V-Twin - 42-0754 - Chrome Rocker Box Cover SetDescriptionSet consists of precision die-cast covers that are machine polished and chrome plated. This six piece complete set includes all necessary gaskets for the installation of both Evolution heads.*NOTE:...$450.01 -
V-Twin - 42-0364 - Rocker Box Cover Kit Chrome
V-Twin Mfg
$571.01V-Twin - 42-0364 - Rocker Box Cover Kit ChromeDescriptionRocker box cover kit includes two top chrome finish die-cast covers and two lower rocker box housings, with gaskets and hardware for two heads.On 2007-Up models the D-ring is part of the lower box...$571.01 -
V-Twin - 42-0363 - Top Rocker Box Cover and D-Ring Kit Black
V-Twin Mfg
$363.43V-Twin - 42-0363 - Top Rocker Box Cover and D-Ring Kit BlackDescriptionBlack top rocker box cover includes d-ring kit.Four piece set for two cylinders. Fits:XL 1991-2003Additional Information UOM1 - KIT FinishBlack ManufacturerV-Twin OriginImported ...$363.43 -
V-Twin - 42-0139 - Rocker Box Dress Cover Set Matte Black
V-Twin Mfg
$132.15V-Twin - 42-0139 - Rocker Box Dress Cover Set Matte BlackDescriptionDress up your XL with our V-Twin Mfg. matte black heat proof finish rocker box dress cover set that fits over your stock rocker boxes and mount using the chrome allen screws included...$132.15 -
V-Twin - 42-0130 - Rocker Arm Cover D-Ring Cast
V-Twin Mfg
$82.96V-Twin - 42-0130 - Rocker Arm Cover D-Ring CastDescriptionD-rings set are replica cast material for Panhead.Order proper screws separately. Fits:FL 1948-1965Additional Information OEM No.17509-54A UOM1 - SET MeasurementsAdditional...$82.96 -
V-Twin - 3771-20 - Rocker Box Cover Allen Screw Kit Chrome
Colony Machine
MSRP: $74.07$66.66V-Twin - 3771-20 - Rocker Box Cover Allen Screw Kit ChromeDescriptionRocker box allen screw kit includes chrome plated button head allen screws and washers, used to mount rocker covers on 2017-up Touring models. Fits:FLT 2017-UPAdditional Information ...MSRP: $74.07$66.66 -
V-Twin - 37-0975 - Rocker Box Cover Screw Set Black
V-Twin Mfg
$27.92V-Twin - 37-0975 - Rocker Box Cover Screw Set BlackDescriptionRocker box cover hex head phillips screw set with a black finish.Sold as a set of 36 pieces. Fits:EL 1936-1940FL 1941-1947Additional Information UOM1 - SET ManufacturerV-Twin OriginUSA$27.92 -
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 UOM 4 -...$54.47 -
V-Twin - 37-0820 - Rocker Box Cover Collar and Screw Kit
V-Twin Mfg
$24.18V-Twin - 37-0820 - Rocker Box Cover Collar and Screw KitDescriptionChrome rocker box cover collar and screw kit includes sealing washer with built in o-ring for position seal. Fits:FXST 1984-1998FLT 1984-1998FXD 1991-1998FXR 1984-1994FLST...$24.18 -
V-Twin - 37-0565 - Rocker Box Cover Screw Set Parkerized
Colony Machine
MSRP: $27.15$25.38V-Twin - 37-0565 - Rocker Box Cover Screw Set ParkerizedDescriptionRocker box cover hex head flat screw set with a parkerized finish.Sold as a set of 34 pieces. Fits:FL 1941-1947EL 1936-1940 KnuckleheadAdditional Information OEM No.3477 UOM1 - SET ...MSRP: $27.15$25.38 -
V-Twin - 37-0025 - Rocker Arm Shaft Plugs Allen Style
V-Twin Mfg
$24.18V-Twin - 37-0025 - Rocker Arm Shaft Plugs Allen StyleDescriptionAllen type rocker arm shaft plugs have a chrome finish and includes sockets and cups. Fits:FL 1971-1984FLT 1979-1983FX 1971-1984FXR 1982-1983XL 1971-1984Additional Information UOM4 - SET ...$24.18 -
V-Twin - 3351-4 - Rocker Arm Thrust Washer Kit
Colony Machine
MSRP: $22.50$19.12V-Twin - 3351-4 - Rocker Arm Thrust Washer KitDescriptionRocker arm thrust washer kit is precision machine, heat treated construction. Fits:FL 1941-1947EL 1937-1940Additional Information OEM No.17465-36 UOM1 - KIT ManufacturerColony OriginUSA 2025...MSRP: $22.50$19.12 -
V-Twin - 3307-4 - Knucklehead Intake and Exhaust Rocker Arm Cover Return Oil
Colony Machine
$32.89V-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 Information UOM1 - SET ManufacturerColony OriginUSA ...$32.89 -
V-Twin - 3286-12 - Rocker Box Mounting Kit Parkerized
Colony Machine
MSRP: $26.65$24.92V-Twin - 3286-12 - Rocker Box Mounting Kit ParkerizedDescriptionRocker box mounting kit includes stock replacement hex head bolts, machined from solid bar as original, and washers in a parkerized finish. Fits:EL 1936-1940FL 1941-1947Additional...MSRP: $26.65$24.92 -
V-Twin - 3208-28 - Rocker Box Screw Kit Cadmium
Colony Machine
$68.55V-Twin - 3208-28 - Rocker Box Screw Kit CadmiumDescriptionCadmium plated rocker box screw kit includes bolts and washers. Fits:XL 1977-1985Additional Information UOM1 - KIT ManufacturerColony OriginUSA$68.55 -
V-Twin - 3207-28 - Rocker Box Screw Kit Cadmium
Colony Machine
$65.64V-Twin - 3207-28 - Rocker Box Screw Kit CadmiumDescriptionCadmium plated rocker box screw kit includes bolts and washers. Fits:XL 1957-1976Additional Information UOM1 - KIT ManufacturerColony OriginUSA$65.64 -
V-Twin - 3025-34 - Rocker Arm Cover Screw Kit Parkerized
Colony Machine
MSRP: $19.88$17.89V-Twin - 3025-34 - Rocker Arm Cover Screw Kit ParkerizedDescriptionParkerized rocker arm cover hex head flat 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...MSRP: $19.88$17.89 -
V-Twin - 3024-34 - Rocker Arm Cover Screw Kit Cadmium
Colony Machine
MSRP: $19.88$17.89V-Twin - 3024-34 - Rocker Arm Cover Screw Kit CadmiumDescriptionCadmium rocker arm cover hex head flat 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...MSRP: $19.88$17.89 -
V-Twin - 3023-34 - Rocker Arm Cover Screw Kit Chrome
Colony Machine
MSRP: $22.50$19.12V-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...MSRP: $22.50$19.12 -
V-Twin - 2955-34 - Rocker Arm Cover Screw Kit Parkerized
Colony Machine
MSRP: $58.43$56.79V-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...MSRP: $58.43$56.79 -
V-Twin - 2850-24 - Panhead Valve Cover Screws Cadmium
Colony Machine
MSRP: $28.98$27.09V-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...MSRP: $28.98$27.09 -
V-Twin - 2078-18 - Lower Rocker Arm Cover Mount Kit
Colony Machine
$43.64V-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$43.64 -
V-Twin - 2020-8 - Rocker Arm Slotted Cadmium Cover Plug Kit
Colony Machine
MSRP: $41.51$36.98V-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...MSRP: $41.51$36.98 -
V-Twin - 2019-8 - Rocker Arm Slotted Chrome Cover Plug Kit
Colony Machine
MSRP: $48.25$46.89V-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...MSRP: $48.25$46.89 -
V-Twin - 2016-6 - D-Ring Cadmium Rocker Arm Cover Screw Set
Colony Machine
MSRP: $22.60$19.21V-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...MSRP: $22.60$19.21 -
V-Twin - 2015-6 - D-Ring Chrome Rocker Arm Cover Screw Set
Colony Machine
MSRP: $25.65$23.98V-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...MSRP: $25.65$23.98 -
V-Twin - 2014-6 - D-Ring Cadmium Rocker Arm Cover Screw Set
Colony Machine
MSRP: $22.60$19.21V-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...MSRP: $22.60$19.21 -
V-Twin - 2013-6 - D-Ring Chrome Rocker Arm Cover Screw Set
Colony Machine
MSRP: $25.65$23.98V-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...MSRP: $25.65$23.98 -
V-Twin - 13-9206 - Valve Spring Kit
Eastern
MSRP: $79.67$71.70V-Twin - 13-9206 - Valve Spring KitDescriptionValve spring kit includes springs, collars and keepers. Fits:K 1954-1956Additional Information UOM1 - KIT ManufacturerEastern OriginUSA 2025 Catalog Pages820MSRP: $79.67$71.70 -
V-Twin - 13-9205 - Valve Spring Kit
Eastern
MSRP: $79.67$71.70V-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 Pages820MSRP: $79.67$71.70 -
V-Twin - 13-0222 - Valve Spring Set
Eastern
MSRP: $53.22$51.72V-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 Pages820MSRP: $53.22$51.72 -
V-Twin - 13-0221 - Valve Spring Set
Eastern
MSRP: $54.88$53.34V-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 Pages820MSRP: $54.88$53.34 -
V-Twin - 13-0100 - Rocker Arm Springs
Eastern
MSRP: $22.54$19.15V-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 Pages848MSRP: $22.54$19.15 -
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 Plated Description Replica 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 1971-1984 FXR 1982-1983 FL...$18.74 -
V-Twin - 12-2524 - Rocker Box Cover Stud Kit
Motorshop
$29.51V-Twin - 12-2524 - Rocker Box Cover Stud Kit Description Sifton rocker box cover stud kit for 1 head. Fits: FLT 1979-1983 FX 1971-1984 FXR 1982-1983 FL 1966-1984 Additional Information OEM No. 17506-66 UOM 1 -...$29.51 -
V-Twin - 12-2122 - Rocker Arm Shim
Eastern
$16.58V-Twin - 12-2122 - Rocker Arm Shim Description Rocker arm shim 10 pack. Fits: FLT 1979-1983 FX 1971-1984 FXR 1982-1983 FL 1966-1984 Additional Information OEM No. 17450-73 UOM 10 - PK Measurements Additional...$16.58 -
V-Twin - 12-2116 - Rocker Arm Spacer
Eastern
$20.48V-Twin - 12-2116 - Rocker Arm Spacer Description Used in between each pair of rocker arms these spacers are sold in a pack of 10. Fits: XL 1957-1983 Additional Information OEM No. 17451-57 UOM 10 -...$20.48 -
V-Twin - 12-2115 - Rocker Arm Spacer
Motorshop
$23.88V-Twin - 12-2115 - Rocker Arm Spacer Description Used in between each pair of rocker arms these spacers are sold in a pack of 4. Fits: FLT 1979-1983 FX 1971-1984 FXR 1982-1983 FL 1966-1984 Additional Information OEM No...$23.88 -
V-Twin - 12-2114 - Rocker Arm Stud Set
Motorshop
$33.62V-Twin - 12-2114 - Rocker Arm Stud Set Description Replica Panhead rocker arm eight piece stud set. Fits: FL 1948-1965 Additional Information OEM No. 17647-48 UOM 8 - PK Manufacturer Motorshop Origin Imported 2025...$33.62
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.