Rockers
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S&S Cycle - 50-7015 - Top Rocker Box Washer
S&S Cycle
$6.95S&S Cycle - 50-7015 - Top Rocker Box WasherFeaturesReplacement rubber coated steel, screw sealing washer for S&S rocker boxes.Specs$6.95 -
S&S Cycle - 33-4260 - Breather Gear - +.030"
S&S Cycle
$229.95S&S Cycle - 33-4260 - Breather Gear - +.030"FeaturesKit comes with gear and spacerRequire the use of corresponding cam and pinion gearMade in the U.S.A.Specs$229.95 -
S&S Cycle - 33-4250 - Steel Breather Gear
S&S Cycle
$169.95S&S Cycle - 33-4250 - Steel Breather GearFeaturesKit comes with gear and spacerRequire the use of corresponding cam and pinion gearMade in the U.S.A.Replacement Part for OEM Number(s):...$169.95 -
S&S Cycle - 50-7015-12 - Top Rubber Washer
S&S Cycle
$15.95S&S Cycle - 50-7015-12 - Top Rubber WasherFeaturesReplacement rocker box screw sealing washers.SpecsMaterial$15.95 -
S&S Cycle - 33-4249 - Breather Gear Spacing Shim Kit - Big Twin
S&S Cycle
$49.95S&S Cycle - 33-4249 - Breather Gear Spacing Shim Kit - Big TwinFeaturesShim kit includes one of each thickness: 0.100\Made in the USASpecs$49.95 -
S&S Cycle - 33-4242 - Breather Gear - +.03"
S&S Cycle
$199.95S&S Cycle - 33-4242 - Breather Gear - +.03"FeaturesAll-steel constructionWelded-in screenHigher flow than stockElongated breather pocket scavenge hole for increased suctionSpecs$199.95 -
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 suctionSpecs$125.95 -
S&S Cycle - 900-1084 - Roller Rocker Arms - M8
S&S Cycle
$674.95S&S Cycle - 900-1084 - Roller Rocker Arms - M8FeaturesForged from 8620 steel, heat-treated then shot-peened for additional strength and durabilityRocker arms have .75" long bushings instead of the ...$674.95 -
S&S Cycle - 900-1092 - Rocker Arm Guardian Kit - M8
S&S Cycle
$917.95S&S Cycle - 900-1092 - Rocker Arm Guardian Kit - M8FeaturesRocker Arm shafts, Rocker Arm Stud Kit, Head Bolt Kit and Performance Roller Rocker Arms are included in this kitRocker Arm ShaftsReplace...$917.95 -
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...$167.95 -
S&S Cycle - 900-4119RA - Forged Standard Rocker Arm
S&S Cycle
MSRP: $122.95$84.95S&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...MSRP: $122.95$84.95 -
S&S Cycle - 900-4119FA - Forged Standard Rocker Arm
S&S Cycle
MSRP: $122.95$84.95S&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...MSRP: $122.95$84.95 -
S&S Cycle - 900-4065A - Roller Rocker Arms
S&S Cycle
MSRP: $652.95$649.95S&S Cycle - 900-4065A - Roller Rocker ArmsFeaturesForged from 8620 steel, heat-treated then shot-peened for additional strength and durabilityRocker arms have .75" long bushings instead of the .50"...MSRP: $652.95$649.95 -
S&S Cycle - 900-4098A - Roller Rocker Arms
S&S Cycle
$695.95S&S Cycle - 900-4098A - Roller Rocker ArmsFeaturesMachined from 8620 forged steel and heat treated for maximum strengthFeature the exclusive .750" long S&S rocker arm bushing which provides 50% more...$695.95 -
S&S Cycle - 900-4119A - Non-Roller Rocker Arms
S&S Cycle
$334.95S&S Cycle - 900-4119A - Non-Roller Rocker ArmsFeaturesAn economical solution for stock rebuilds, and mild performance upgradesForged from 8620 steel for greater strength than stock or cast...$334.95 -
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"...$163.95 -
Kibblewhite - 20-21045 - Rocker Arm Stud/Nut Kit - Rocker - M8
Kibblewhite
$129.95Kibblewhite - 20-21045 - Rocker Arm Stud/Nut Kit - Rocker - M8 Features Nuts are machined from billet high-tensile steel and heat treated All are black oxide-treated for enhanced corrosion...$129.95 -
Kb Performance - PRJ100-4PK - Lock Ring - Twin Cam
KB Performance
$10.95Kb Performance - PRJ100-4PK - Lock Ring - Twin CamFeaturesReplacement piston lock rings for KB Performance Piston KitSpecs$10.95 -
Jims - 1045RR - Rocker Arms - Big Twin/XL
Jims
$959.85Jims - 1045RR - Rocker Arms - Big Twin/XLFeaturesThe lightest rocker arm available, but still has superior strength characteristics due to its designThe strength of 660 bronze bushings and...$959.85 -
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): 1742857Specs$83.95 -
Jims - 17611-83 - Rocker Arm Shaft - Evolution/Twin Cam
Jims
$51.25Jims - 17611-83 - Rocker Arm Shaft - Evolution/Twin CamFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 1761183Specs$51.25 -
Feuling Parts - 1231 - Rocker Shafts - Set - M8
Feuling
$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...$189.95 -
Feuling Parts - 1229 - Rocker Shaft Shims - 0.010" - M8
Feuling
$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”...$99.95 -
Feuling Parts - 1227 - Rocker Shaft Shims - 0.003" - M8
Feuling
$119.95Feuling 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”...$119.95 -
Feuling Parts - 1235 - Gorilla Rocker Shafts
Feuling
$179.95Feuling Parts - 1235 - Gorilla Rocker ShaftsFeaturesGas nitrided and final surface treatedOver double the strength of factory rocker shaftsRecommended for all Twin Cam engines and especially for...$179.95 -
V-Twin - Panhead Style Evolution Rocker Box Set fits '84-'99 FXST/FLST, '84-'98 FLT/FXD Models - Black
V-Twin Mfg
$1,272.81V-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...$1,272.81 -
S&S Cycle - Rocker Arm Shafts fits '99-'17 Twin Cam & '86-'22 Sportster Models (Except RH Sportster (OEM #17611-83))
S&S Cycle
$59.95S&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$59.95 -
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$154.95 -
Colony - 9829-28 Chrome Rocker Box Screw Kit fits '57-'76 Sportster Models
Colony Machine
MSRP: $40.16$35.78Colony - 9829-28 Chrome Rocker Box Screw Kit fits '57-'76 Sportster Models Chrome rocker box screw kit. Fitment: XL 1957-1976MSRP: $40.16$35.78 -
Colony - 9019-2 Rocker Stud Nut Lock Tab Parkerized fits '41-'51 G Model (OEM #45681-40)
Colony Machine
MSRP: $9.86$8.87Colony - 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 1941-1951MSRP: $9.86$8.87 -
Colony - 9216-22 Rocker Rebuild Kit fits '30-'52 WL Model
Colony Machine
MSRP: $189.67$179.23Colony - 9216-22 Rocker Rebuild Kit fits '30-'52 WL Model Rocker rebuild kit for side valve models. Fitment: WL 1930-1952MSRP: $189.67$179.23 -
Colony - 9699-12 Parkerized Rocker Box Mount Kit fits '36-'40 EL, '41-'47 FL Models
Colony Machine
MSRP: $27.80$25.99Colony - 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...MSRP: $27.80$25.99 -
V-Twin - Black Rocker Box Cover Set fits '04-'06 Sportster Model
V-Twin Mfg
$458.26V-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$458.26 -
Colony - 9832-28 Cadmium Rocker Box Screw Kit fits '77-'85 Sportster Models
Colony Machine
MSRP: $34.98$32.70Colony - 9832-28 Cadmium Rocker Box Screw Kit fits '77-'85 Sportster Models Rocker box screw kit with a cadmium finish Fitment: XL 1977-1985MSRP: $34.98$32.70 -
Colony - 9840-8 Chrome Rocker Arm Shaft End Nut Kit fits '36-'40 EL, '41-'47 FL Models
Colony Machine
MSRP: $23.67$22.13Colony - 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...MSRP: $23.67$22.13 -
Colony - 9842-8 Parkerized Rocker Arm Shaft End Nut Kit fits '36-'40 EL, '41-'47 FL Models
Colony Machine
MSRP: $23.67$22.13Colony - 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...MSRP: $23.67$22.13 -
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 -
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
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.