Rockers
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S&S Cycle - 33-4241 - Breather Gear - Big Twin
S&S Cycle
$125.95S&S Cycle - 33-4241 - Breather Gear - Big TwinFeaturesAll-steel constructionWelded-in screenHigher flow than stockElongated breather pocket scavenge hole for increased suctionSpecsRiding StyleStreetTypeBreatherProduct...$125.95 -
S&S Cycle - 900-1087 - Rocker Arm Rebuild Kit - M8
S&S Cycle
$167.95S&S Cycle - 900-1087 - Rocker Arm Rebuild Kit - M8FeaturesForged from 8620 steel, heat-treated then shot-peened for additional strength and durabilityRocker arms have .75" long bushings instead of the .50" long bushings found on most other rocker...$167.95 -
S&S Cycle - 900-4119RA - Forged Standard Rocker Arm
S&S Cycle
$122.95S&S Cycle - 900-4119RA - Forged Standard Rocker ArmFeaturesAn economical solution for stock rebuilds, and mild performance upgradesForged from 8620 steel for greater strength than stock or cast steelFeature the same .750" long rocker shaft bushings as...$122.95 -
S&S Cycle - 900-4119FA - Forged Standard Rocker Arm
S&S Cycle
$122.95S&S Cycle - 900-4119FA - Forged Standard Rocker ArmFeaturesAn economical solution for stock rebuilds, and mild performance upgradesForged from 8620 steel for greater strength than stock or cast steelFeature the same .750" long rocker shaft bushings as...$122.95 -
S&S Cycle - 90-4104 - Rocker Arm Rebuild Kit
S&S Cycle
$163.95S&S Cycle - 90-4104 - Rocker Arm Rebuild KitFeaturesForged from 8620 steel, heat-treated then shot-peened for additional strength and durabilityRocker arms have .75" long bushings instead of the .50" long bushings found on most other rocker armsFeature a...$163.95 -
Jims - 17428-57K - Rocker Arm Bushings - Big Twin/XL
Jims
$83.95Jims - 17428-57K - Rocker Arm Bushings - Big Twin/XLFeaturesQuality, American-made rocker arm shafts and bushingsReplacement Part for OEM Number(s): 1742857SpecsTypeRocker ArmUnits8 PackProduct NameBushingRiding StyleStreetFitment2002-2019...$83.95 -
Jims - 17611-83 - Rocker Arm Shaft - Evolution/Twin Cam
Jims
$41.95Jims - 17611-83 - Rocker Arm Shaft - Evolution/Twin CamFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 1761183SpecsProduct NameShaftRiding StyleStreetTypeRocker ArmRiding StyleAdventure Touring / Dual-SportUnitsEachFitment1997-2000 Buell M2...$41.95 -
Feuling Parts - 1231 - Rocker Shafts - Set - M8
FEULING PARTS
$189.95Feuling Parts - 1231 - Rocker Shafts - Set - M8 Features Custom tooling was created to provide a countersink relief for the bolt/nut head versus machining away the entire end of the shaft per the factory design Recommended for all M-Eight engines...$189.95 -
Feuling Parts - 1229 - Rocker Shaft Shims - 0.010" - M8
FEULING PARTS
$99.95Feuling Parts - 1229 - Rocker Shaft Shims - 0.010" - M8FeaturesQuiet your engine by tightening the rocker arm to cylinder head end play clearanceFeuling recommends an ideal side clearance of 0.0035” - 0.005” for optimum rocker arm oil psi and noise...$99.95 -
Feuling Parts - 1227 - Rocker Shaft Shims - 0.003" - M8
FEULING PARTS
$99.95Feuling Parts - 1227 - Rocker Shaft Shims - 0.003" - M8FeaturesQuiet your engine by tightening the rocker arm to cylinder head end play clearanceFeuling recommends an ideal side clearance of 0.0035” - 0.005” for optimum rocker arm oil psi and noise...$99.95 -
Feuling Parts - 1228 - Rocker Shaft Shims - 0.005" - M8
FEULING PARTS
$99.95Feuling Parts - 1228 - Rocker Shaft Shims - 0.005" - M8FeaturesQuiet your engine by tightening the rocker arm to cylinder head end play clearanceFeuling recommends an ideal side clearance of 0.0035” - 0.005” for optimum rocker arm oil psi and noise...$99.95 -
Feuling Parts - 1230 - Rocker Shaft Shims - 0.003"/0.005"/0.010" - M8
FEULING PARTS
$79.95Feuling Parts - 1230 - Rocker Shaft Shims - 0.003"/0.005"/0.010" - M8FeaturesQuiet your engine by tightening the rocker arm to cylinder head end play clearanceFeuling recommends an ideal side clearance of 0.0035” - 0.005” for optimum rocker arm oil psi...$79.95 -
V-Twin - Panhead Style Evolution Rocker Box Set fits '84-'99 FXST/FLST, '84-'98 FLT/FXD Models - Chrome
V-Twin Manufacturing
$785.64V-Twin - Panhead Style Evolution Rocker Box Set fits '84-'99 FXST/FLST, '84-'98 FLT/FXD Models - Chrome Panhead Evolution rocker box set features a bolt on Panhead look for Evolution models and a chrome finish. Retro conversion kit includes chrome...$785.64 -
V-Twin - Panhead Style Evolution Rocker Box Set fits '84-'99 FXST/FLST, '84-'98 FLT/FXD Models - Black
V-Twin Manufacturing
$773.74V-Twin - Panhead Style Evolution Rocker Box Set fits '84-'99 FXST/FLST, '84-'98 FLT/FXD Models - Black Panhead Evolution rocker box set features a bolt on Panhead look for Evolution models and a black finish. Retro conversion kit includes black Panhead...$773.74 -
S&S Cycle - Rocker Arm Shafts fits '99-'17 Twin Cam & '86-'22 Sportster Models (Except RH Sportster (OEM #17611-83))
S&S Cycle
$50.95S&S Cycle - Rocker Arm Shafts fits '99-'17 Twin Cam & '86-'22 Sportster Models (Except RH Sportster (OEM #17611-83)) Features: Made in the U.S.A. Fitment 2018-2020 Harley-Davidson Iron 1200...$50.95 -
S&S Cycle - Rocker Cover Wrench Set
S&S Cycle
$154.95S&S Cycle - Rocker Cover Wrench Set Features: Four wrenches of different lengths for those hard-to-get-to rocker box screws For use on all Big Twin and XL Evolution-style motors Made in the U.S.A...$154.95 -
Colony - 9829-28 Chrome Rocker Box Screw Kit fits '57-'76 Sportster Models
Colony Machine
$40.16Colony - 9829-28 Chrome Rocker Box Screw Kit fits '57-'76 Sportster Models Chrome rocker box screw kit. Fitment: XL 1957-1976$40.16 -
Colony - 9019-2 Rocker Stud Nut Lock Tab Parkerized fits '41-'51 G Model (OEM #45681-40)
Colony Machine
$9.86Colony - 9019-2 Rocker Stud Nut Lock Tab Parkerized fits '41-'51 G Model (OEM #45681-40) Rocker stud nut lock tab with a parkerized finish. Fitment: G 1941-1951$9.86 -
Colony - 9216-22 Rocker Rebuild Kit fits '30-'52 WL Model
Colony Machine
$189.67Colony - 9216-22 Rocker Rebuild Kit fits '30-'52 WL Model Rocker rebuild kit for side valve models. Fitment: WL 1930-1952$189.67 -
Colony - 9699-12 Parkerized Rocker Box Mount Kit fits '36-'40 EL, '41-'47 FL Models
Colony Machine
$27.80Colony - 9699-12 Parkerized Rocker Box Mount Kit fits '36-'40 EL, '41-'47 FL Models Rocker box mount kit with a parkerized finish includes machined plain head bolts Fitment: EL 1936-1940 FL 1941-1947$27.80 -
V-Twin - Black Rocker Box Cover Set fits '04-'06 Sportster Model
V-Twin Manufacturing
$402.23V-Twin - Black Rocker Box Cover Set fits '04-'06 Sportster Model Rocker box cover set with black finish. Four piece set for two cylinders Fitment: XL 2004-2006$402.23 -
V-Twin - Chrome Rocker Box Screw Kit fits '77-'85 Sportster Model
V-Twin Manufacturing
$15.86V-Twin - Chrome Rocker Box Screw Kit fits '77-'85 Sportster Model Chrome rocker box screw kit without studChrome rocker box screw kit without stud Fitment: XL 1977-1985$15.86 -
Colony - 9832-28 Cadmium Rocker Box Screw Kit fits '77-'85 Sportster Models
Colony Machine
$34.98Colony - 9832-28 Cadmium Rocker Box Screw Kit fits '77-'85 Sportster Models Rocker box screw kit with a cadmium finish Fitment: XL 1977-1985$34.98 -
Colony - 9840-8 Chrome Rocker Arm Shaft End Nut Kit fits '36-'40 EL, '41-'47 FL Models
Colony Machine
$23.67Colony - 9840-8 Chrome Rocker Arm Shaft End Nut Kit fits '36-'40 EL, '41-'47 FL Models Chrome Knucklehead rocker arm shaft end nut kit. The thread measures 7/16 x 20 Fitment: EL 1936-1940 FL 1941-1947 Tech Note: Shovelhead rocker arm...$23.67 -
Colony - 9842-8 Parkerized Rocker Arm Shaft End Nut Kit fits '36-'40 EL, '41-'47 FL Models
Colony Machine
$23.67Colony - 9842-8 Parkerized Rocker Arm Shaft End Nut Kit fits '36-'40 EL, '41-'47 FL Models Knucklehead rocker arm shaft end nut kit with a parkerized finish Fitment: EL 1936-1940 FL 1941-1947 Tech Note: Shovelhead rocker arm shims may be used...$23.67 -
V-Twin - Knucklehead Rocker Box Cap with Fitting fits '36-'37 EL Model (OEM #97-36)
V-Twin Manufacturing
$45.43V-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 brass, should be cadmium plated for accurate...$45.43 -
V-Twin - Knucklehead Rocker Box Fitting fits '36-'37 EL Model (OEM #94-36)
V-Twin Manufacturing
$43.60V-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 exact/correct restoration. Fitment: EL 1936-1937$43.60 -
V-Twin - Knucklehead Rocker Box Retaining Ring fits '36-'40 EL Model (OEM #124-36)
V-Twin Manufacturing
$45.48V-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$45.48 -
V-Twin - Knucklehead Nickel Plated Rocker Box Cap with Fitting fits '36-'37 EL Model
V-Twin Manufacturing
$46.25V-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 includes fitting and cap Fitment: EL 1936-1937$46.25 -
V-Twin - Knucklehead Nickel Plated Rocker Box Fitting fits '36-'37 EL Model
V-Twin Manufacturing
$44.84V-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$44.84 -
Colony - 9917-8 Rocker Arm Stud Kit fits '48-'65 FL Model (OEM #17647-48)
Colony Machine
$33.98Colony - 9917-8 Rocker Arm Stud Kit fits '48-'65 FL Model (OEM #17647-48) Rocker arm stud kit for 1 head Fitment: FL 1948-1965$33.98 -
V-Twin - TC-88 Finned Rocker Box Set fits '99-'16 FLT/ FL, '99-'17 FLST/FXST Models
V-Twin Manufacturing
$271.34V-Twin - TC-88 Finned Rocker Box Set fits '99-'16 FLT/ FL, '99-'17 FLST/FXST Models TC-88 finned rocker box set features a chrome finish. Fitment: FLT 1999-2016 FL 1999-2016 FLST 1999-2017 FXST 1999-2017$271.34 -
Colony - 7609-6 Rocker Lock fits '46-'48 UL/FL Models
Colony Machine
$24.60Colony - 7609-6 Rocker Lock fits '46-'48 UL/FL Models Spring fork rocker lock, 6 piece set Fitment: UL 1946-1948 FL 1946-1948$24.60 -
Colony - 7610-4 Rocker Bushing Set Long fits '46-'48 UL/FL Models
Colony Machine
$56.43Colony - 7610-4 Rocker Bushing Set Long fits '46-'48 UL/FL Models Spring Fork rocker bushing set Fitment: UL 1946-1948 FL 1946-1948$56.43 -
Colony - 7611-2 Rocker Bushing Tool fits '37-'48 UL, '36-'40 EL, '30-'52 WL Models
Colony Machine
$29.85Colony - 7611-2 Rocker Bushing Tool fits '37-'48 UL, '36-'40 EL, '30-'52 WL Models Spring Fork rocker bushing tool Fitment: UL 1937-1948 G 1930-1957 EL 1936-1940 FL 1941-1948 VL 1930-1936 WL 1930-1952$29.85 -
Colony - 7705-4 Rocker Box Drain Tube Fitting Kit fits '36-'40 EL, '41-'47 FL Models (OEM #17320-38)
Colony Machine
$27.80Colony - 7705-4 Rocker Box Drain Tube Fitting Kit fits '36-'40 EL, '41-'47 FL Models (OEM #17320-38) Rocker box drain tube fitting kit. Fitment: EL 1936-1940 FL 1941-1947$27.80 -
Colony - 9701-1 Rocker Feed Line Nipple Parkerized fits '36-'40 EL, '41-'41 FL Models (OEM #33615-36)
V-Twin Manufacturing
$15.86Colony - 9701-1 Rocker Feed Line Nipple Parkerized fits '36-'40 EL, '41-'41 FL Models (OEM #33615-36) Parkerized rocker feed line nipple. Fitment: EL 1936-1940 FL 1941-1941$15.86 -
Colony - Rocker Arm Stud Kit fits '48-'65 Panhead Model (OEM #17647-48) - Parkerized
Colony Machine
$37.95Colony - Rocker Arm Stud Kit fits '48-'65 Panhead Model (OEM #17647-48) - Parkerized Features: High-quality studs and flexloc nuts Eight studs and nuts cover one cylinder head Fitment 1965 Harley-Davidson Electra Glide...$37.95 -
Colony - Rocker Arm Nut Kit fits '48-'65 Panhead Model (OEM #7727) - Cadmium Plated
Colony Machine
$18.95Colony - Rocker Arm Nut Kit fits '48-'65 Panhead Model (OEM #7727) - Cadmium Plated Features: High-quality studs and flexloc nuts Eight studs and nuts cover one cylinder head Fitment 1965 Harley-Davidson 1200 Electra Glide...$18.95 -
Colony - Rocker Cover Nut Strip Kit fits '36-'47 Big Twin Models (OEM #17535-38, 17537-38)
Colony Machine
$67.95Colony - Rocker Cover Nut Strip Kit fits '36-'47 Big Twin Models (OEM #17535-38, 17537-38) Features: Eight strips, four gaskets and 34 screws are included in the kit All holes are tapped for easy installation Made in the U.S.A. Replacement Part...$67.95
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.