Rockers
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V-Twin - 12-0715 - .015 Rocker Arm Shim
Eastern Motorcycle Parts
MSRP: $18.34$16.50V-Twin - 12-0715 - .015 Rocker Arm ShimDescriptionRocker Arm Shim .015 Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984XL 1957-1985Additional InformationMSRP: $18.34$16.50 -
V-Twin - 12-0710 - .007 Rocker Arm Shim - Fits 1979-1983 Harley-Davidson FLT, 1971-1984 FX, 1982-1983 FXR, 1966-1984 FL, 1957-1985 XL
V-Twin Mfg
$22.32Rocker Arm Shim, .007 for 1966-1984 Big Twin, 1957-1984 XL Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984XL 1957-1985Additional Information$22.32 -
V-Twin - 12-0704 - .005 Rocker Arm Shims - Fits 1979-1983 Harley-Davidson FLT, 1971-1984 FX, 1982-1983 FXR, 1966-1984 FL, 1957-1985 XL
V-Twin Mfg
$17.35Rocker 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$17.35 -
V-Twin - 12-0571 - Flexloc Nut for Rocker Arm Stud Cadmium
Motorshop
$32.07V-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$32.07 -
V-Twin - 12-0525 - Red Rocker Arm Shaft End Caps
Motorshop
$22.96V-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...$22.96 -
V-Twin - 11-1766 - M8 Rocker Box Cover Set Chrome
V-Twin Mfg
$672.29V-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...$672.29 -
V-Twin - 11-1234 - Rocker Arm Shaft
Eastern Motorcycle Parts
$46.88V-Twin - 11-1234 - Rocker Arm ShaftDescriptionReplica rocker arm shafts are for use on Big Twin models. Shafts are manufactured to meet or exceed OEM specifications for long lasting durability and...$46.88 -
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 -
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 - 11-1172 - 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 - 11-1170 - 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 - 11-1149 - 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 -
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 - 11-1101 - M8 Rocker Arm Tower Stud and Nut Kit
Kibblewhite
$125.91V-Twin - 11-1101 - M8 Rocker Arm Tower Stud and Nut KitDescriptionM8 rocker arm tower stud and nut kit. Studs and nuts are heat treated alloy steel and have rolled threads. Kit is for use on all...$125.91 -
V-Twin - 11-1087 - M8 Rocker Box Cover Set Black
Motorshop
$307.85V-Twin - 11-1087 - M8 Rocker Box Cover Set BlackDescriptionM8 rocker box cover set is constructed of forged aluminum and features a black finish.*NOTE: Must order gasket kit separately. Fits:FLT...$307.85 -
V-Twin - 11-1068 - Rocker Arm Shaft Set
Motorshop
$87.15V-Twin - 11-1068 - Rocker Arm Shaft SetDescriptionSifton rocker arm shaft setThe rocker arm shaft set measures 1/2"-20 thread where the end caps screw in. Fits:XL 1957-1985Additional Information$87.15 -
V-Twin - 11-1066 - Rocker Arm Shaft Kit
Motorshop
$218.52V-Twin - 11-1066 - Rocker Arm Shaft KitDescriptionRocker arm shaft kit with 4 arms Fits:XL 1957-1985Additional Information UOM$218.52 -
V-Twin - 11-0911 - Replica Valve Spring Cover Kit Zinc
Motorshop
$149.71V-Twin - 11-0911 - Replica Valve Spring Cover Kit ZincDescriptionReplica zinc valve spring cover kit Fits:K 1952-1956Additional Information$149.71 -
V-Twin - 11-0894 - M8 Titanium Rocker Box Cover Set
Motorshop
$446.62V-Twin - 11-0894 - M8 Titanium Rocker Box Cover SetDescriptionTI rocker box cover set features titanium plating over chrome for a "machine" look for M8 models.Sold as a pair. Fits:FLT...$446.62 -
V-Twin - 11-0892 - Black Titanium TC-88 Rocker Box Cover Set - Fits 1999-2018 Harley-Davidson FXST, 1999-2016 FLST
V-Twin Mfg
$607.50TC-88 rocker box cover set features a black titanium coating over chrome for a "machine" look. Four piece set is for use on both heads.Set includes two tops and two lower rocker box cover. Hardware...$607.50 -
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 -
V-Twin - 11-0820 - Rocker Arm Shaft Kit
Motorshop
$299.68V-Twin - 11-0820 - Rocker Arm Shaft KitDescriptionSifton rocker arm shaft kit includes rocker arm rear exhaust ,front and rear intake, rocker arm shaft,rocker arm springs, spacers, shims, nuts and...$299.68 -
V-Twin - 11-0819 - Rocker Arm Shaft Kit
Sifton
$328.81V-Twin - 11-0819 - Rocker Arm Shaft KitDescriptionSifton rocker arm and shaft kit for Shovelhead models includes four rocker arms with bushings installed, o-rings, four shafts, shims, spacers, chrome...$328.81 -
V-Twin - 11-0818 - Rocker Arm Shaft Parkerized Nuts
Colony Machine
MSRP: $69.83$62.85V-Twin - 11-0818 - Rocker Arm Shaft Parkerized NutsDescriptionParkerized Knucklehead rocker arm shaft nuts Fits:EL 1936-1940FL 1941-1947Additional InformationMSRP: $69.83$62.85 -
V-Twin - 11-0814 - .005 Rocker Arm Shaft
Eastern Motorcycle Parts
MSRP: $25.33$23.68V-Twin - 11-0814 - .005 Rocker Arm ShaftDescriptionEvolution rocker arm shaft is .005 oversize. Fits:FLT 1984-2016FXD 1984-2017XL 1986-UPFLST 1986-2017FXST 1984-2017FXR 1984-1994Additional InformationMSRP: $25.33$23.68 -
V-Twin - 11-0813 - Valve Spacer
Eastern Motorcycle Parts
MSRP: $41.69$37.14V-Twin - 11-0813 - Valve SpacerDescriptionValve spacer, 4 pieceSet of four. Fits:K 1952-1956Additional Information OEM No.<MSRP: $41.69$37.14 -
V-Twin - 11-0621 - Lower Rocker Box Cover Hardware
Motorshop
$28.33V-Twin - 11-0621 - Lower Rocker Box Cover HardwareDescriptionEvolution lower rocker cover mounting hardware set includes all correct bolts, allen screws and washers necessary for bolting lower rock...$28.33 -
V-Twin - 11-0585 - Rocker Box Chrome D-Ring Set
Motorshop
$67.58V-Twin - 11-0585 - Rocker Box Chrome D-Ring SetDescriptionChrome d-ring set for rocker boxes on XL models.Sold as a pair. Fits:XL 1991-2003Additional Information$67.58 -
V-Twin - 11-0578 - Rocker Box Assembly Polished Finish
Motorshop
$649.74V-Twin - 11-0578 - Rocker Box Assembly Polished FinishDescriptionPolished rocker box assembly includes covers in polished finish, 4 arms, 4 shafts and chrome end shaft nuts for Shovelhead.*NOTE: May...$649.74 -
V-Twin - 11-0577 - Rocker Box Assembly Chrome Finish
Motorshop
$802.53V-Twin - 11-0577 - Rocker Box Assembly Chrome FinishDescriptionChrome rocker box assembly includes covers in chrome finish, 4 arms, 4 shafts and chrome end shaft nuts for Shovelhead.May have pits,...$802.53 -
V-Twin - 11-0571 - Rocker Arm Shaft Set
V-Twin Mfg
$62.23V-Twin - 11-0571 - Rocker Arm Shaft SetDescriptionSifton rocker arm 4 piece shaft set for 1986-up. Fits:FLT 1984-2016FXD 1991-2017XL 1986-UPFLST 1986-2017FXST 1984-2017FXR 1984-1994Additional...$62.23 -
V-Twin - 11-0570 - Rocker Arm Shaft Set - Fits 1979-1983 Harley-Davidson FLT, 1971-1984 FX, 1982-1983 FXR, 1966-1984 FL
V-Twin Mfg
$125.95Replica rocker arm shaft for 1966-1984 Big Twins. Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL 1966-1984Additional Information OEM No.$125.95 -
V-Twin - 11-0558 - Rocker Arm Ball Stud
Motorshop
MSRP: $45.33$44.42V-Twin - 11-0558 - Rocker Arm Ball StudDescriptionRocker arm ball stud comes as 4 pieces. Fits:FL 1941-1947EL 1937-1940Additional InformationMSRP: $45.33$44.42 -
V-Twin - 11-0540 - Standard Rocker Arm Shaft
Motorshop
$153.89V-Twin - 11-0540 - Standard Rocker Arm ShaftDescriptionSifton Knucklehead rocker arm shaft set.Front intake measures 4-1/8" and has an actual ground surface of 4.115. Rear intake measures 3-5/8" and...$153.89 -
V-Twin - 11-0539 - Rocker Arm Shaft
Jims
MSRP: $120.41$117.43V-Twin - 11-0539 - Rocker Arm ShaftDescriptionJims rocker arm shaft has an outer diameter at the big end of .937" and the small end of .434". Fits:FLT 1979-1983FX 1971-1984FXR 1982-1983FL...MSRP: $120.41$117.43 -
V-Twin - 11-0528 - Rocker Arm Rear Exhaust Front Intake
Motorshop
$62.63V-Twin - 11-0528 - Rocker Arm Rear Exhaust Front IntakeDescriptionReplica rocker arm only includes one front intake and one rear exhaust and is complete with shafts. Fits:FL 1948-1965Additional...$62.63 -
V-Twin - 11-0525 - Rocker Arm Rear Intake
Motorshop
$101.99V-Twin - 11-0525 - Rocker Arm Rear IntakeDescriptionRear intake rocker arm includes bushings installed Fits:XL 1957-1985Additional Information$101.99 -
V-Twin - 11-0524 - Rocker Arm Front Intake
Motorshop
$101.99V-Twin - 11-0524 - Rocker Arm Front IntakeDescriptionFront intake rocker arm includes bushings installed. Fits:XL 1957-1985Additional Information$101.99 -
V-Twin - 11-0523 - Rocker Arm Rear Exhaust
Motorshop
$99.12V-Twin - 11-0523 - Rocker Arm Rear ExhaustDescriptionRear exhaust rocker arm includes bushings installed. Fits:XL 1957-1985Additional Information$99.12 -
V-Twin - 11-0522 - Rocker Arm Front Exhaust
Motorshop
$108.30V-Twin - 11-0522 - Rocker Arm Front ExhaustDescriptionFront exhaust rocker arm includes bushings installed. Fits:XL 1957-1985Additional Information$108.30
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.