Harley Rocker Arms and Parts
Harley Bike Rocker Arms & Parts at JJ Motorsports
Strengthen your Harley's valvetrain with premium rocker arms and components from JJ Motorsports, featuring forged rockers, locker kits, and lock nuts for reduced deflection and reliable performance on Twin Cam, Evo, and Big Twin engines. These high-quality parts support aggressive cams and high-lift springs.
Shop Rocker Lockers, Eastern Motorcycle Parts, and S&S Cycle for proven durability. Explore related categories such as Harley engine for pushrods and valves, or Harley for rocker boxes and covers to complete your valvetrain upgrade.
Top Harley Rocker Arms & Parts
- Rocker Lockers Rocker Locker Kit Twin Cam 10-Pack DK-RL-TC-10 – 10-piece locker kit for Twin Cam rocker arms; eliminates deflection for high-lift cams.
- Eastern Motorcycle Parts Rocker Arm Lock Nut A-7727 – OEM-style lock nut for rocker shafts; fits Evo and Twin Cam rocker arms.
- S&S Cycle Forged Standard Rocker Arm 900-4119FA – Forged steel rocker arm; standard ratio for Big Twin and Sportster with superior strength.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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DRAG SPECIALTIES Rocker Arm Seal Kit - Big Twin 04-0988-1-HC
DRAG SPECIALTIES
$6.13Contains shims, spacers and seals to rebuild all four rocker arm shafts found in 66-84 Shovelhead engines, Rocker arm won’t come out of adjustment or need re-shimming, Only needs to be replaced with each valve job09270005- SKU:
- 09270005
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER ARM
- UNITS:
- 4 PACK
$6.13 -
DRAG SPECIALTIES Rocker Arm Shim Kit - Big Twin 04-0988-HC
DRAG SPECIALTIES
$18.49Contains shims, spacers and seals to rebuild all four rocker arm shafts found in 66-84 Shovelhead engines, Rocker arm won't come out of adjustment or need re-shimming, Only needs to be replaced with each valve job09270004- SKU:
- 09270004
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- UNITS:
- KIT
- MOUNTING POSITION:
- FRONT
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- ADJUSTER KIT
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER ARM SHAFT
$18.49 -
On Sale
S&S CYCLE Rocker Arm Shafts - Twin Cam 90-4036
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Made in the U.S.A.904036- SKU:
- 904036
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MOUNTING POSITION:
- FRONT
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHAFT
- RIDING STYLE:
- STREET
- APPLICATION:
- EXHAUST
- TYPE:
- ROCKER ARM
- UNITS:
- SET OF 4
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Die Cast Rocker Box - Evolution 90-4095
S&S CYCLE
MSRP: $1,279.95Now: $1,151.96Was: $1,279.95Positive O-ring seal ensures leak-free operation, Can be installed with the stock engine in the frame in most applications, Include rocker boxes, gaskets and mounting bolts, Assembler must supply rocker shafts and rocker arms for all rocker boxes, Rocker...904095- SKU:
- 904095
- Availability:
- Ships Same Business Day
- Weight:
- 12.28 LBS
- COLOR/FINISH:
- CHROME
- UNITS:
- PAIR
- BASE FINISH:
- CHROME
- MATERIAL:
- DIE-CAST
- PRODUCT NAME:
- ROCKER BOX
- RIDING STYLE:
- STREET
MSRP: $1,279.95Now: $1,151.96Was: $1,279.95 -
On Sale
S&S CYCLE Die Cast Rocker Box - Twin Cam 90-4110
S&S CYCLE
MSRP: $1,091.95Now: $982.76Was: $1,091.95Positive O-ring seal ensures leak-free operation, Can be installed with the stock engine in the frame in most applications, Include rocker boxes, gaskets and mounting bolts, Assembler must supply rocker shafts and rocker arms for all rocker boxes, Rocker...904110- SKU:
- 904110
- Availability:
- Ships Same Business Day
- Weight:
- 12.45 LBS
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- ROCKER BOX
- RIDING STYLE:
- STREET
- MATERIAL:
- DIE-CAST
- UNITS:
- PAIR
MSRP: $1,091.95Now: $982.76Was: $1,091.95 -
S&S CYCLE Rocker Arm Rebuild Kit 90-4104
S&S CYCLE
$163.95Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability, Rocker arms have .75" long bushings instead of the .50" long bushings found on most other rocker arms, Feature a modified lubrication system with unrestricted...09270001- SKU:
- 09270001
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- FRONT
- TYPE:
- ROCKER ARM
- UNITS:
- KIT
$163.95 -
S&S CYCLE Roller Rocker Arms 900-4098A
S&S CYCLE
$693.95Machined from 4140 forged steel and heat treated for maximum strength, Feature the exclusive .750" long S&S rocker arm bushing which provides 50% more load bearing surface than stock .500" bushings, Can be oiled through pushrods when used with S&S...09270028- SKU:
- 09270028
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- ROCKER ARM
- STYLE:
- FORGED
- MATERIAL:
- 8620 STEEL
- UNITS:
- 4 PACK
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- MOUNTING POSITION:
- REAR
$693.95 -
S&S CYCLE Rocker Arm Shaft - Twin Cam/XL 90-4006
S&S CYCLE
$16.95Made in the U.S.A.09270029- SKU:
- 09270029
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- SHAFT
- TYPE:
- ROCKER ARM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$16.95 -
S&S CYCLE Rocker Arm Bushing 90-4014
S&S CYCLE
$14.95Replacement bushing for S&S roller rocker arms, Made in the U.S.A.09270030- SKU:
- 09270030
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- FRONT
- TYPE:
- ROCKER ARM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$14.95 -
S&S CYCLE Non-Roller Rocker Arms 900-4119A
S&S CYCLE
$326.95An economical solution for stock rebuilds, and mild performance upgrades, Forged from 8620 steel for greater strength than stock or cast steel, Feature the same .750" long rocker shaft bushings as S&S Roller Rockers: longer bushing provides 50% more load...09270014- SKU:
- 09270014
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- RIDING STYLE:
- STREET
- TYPE:
- STANDARD
- MATERIAL:
- STEEL
- APPLICATION:
- EXHAUST
- MATERIAL:
- FORGED
- PRODUCT NAME:
- ROCKER ARM
- STYLE:
- FORGED
- UNITS:
- SET OF 4
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- REAR
$326.95 -
S&S CYCLE Roller Rocker Arms 900-4320A
S&S CYCLE
$652.95Machined from 4140 forged steel and heat treated for maximum strength, Feature the exclusive .750" long S&S rocker arm bushing which provides 50% more load bearing surface than stock .500" bushings, Can be oiled through pushrods when used with S&S...09270016- SKU:
- 09270016
- Availability:
- Ships Same Business Day
- Weight:
- 2.61 LBS
- MATERIAL:
- 4140 STEEL
- TYPE:
- ROLLER
- MOUNTING POSITION:
- FRONT
- UNITS:
- 4 PACK
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- ROCKER ARM
- RIDING STYLE:
- STREET
- STYLE:
- FORGED
$652.95 -
S&S CYCLE Forged Standard Rocker Arm 900-4119FA
S&S CYCLE
$122.95An economical solution for stock rebuilds, and mild performance upgrades, Forged from 8620 steel for greater strength than stock or cast steel, Feature the same .750" long rocker shaft bushings as S&S Roller Rockers: longer bushing provides 50% more load...09270032- SKU:
- 09270032
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MOUNTING POSITION:
- FRONT INTAKE
- PRODUCT NAME:
- ROCKER ARM
- MATERIAL:
- 8620 STEEL
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR EXHAUST
- UNITS:
- EACH
$122.95 -
S&S CYCLE Forged Standard Rocker Arm 900-4119RA
S&S CYCLE
$122.95An economical solution for stock rebuilds, and mild performance upgrades, Forged from 8620 steel for greater strength than stock or cast steel, Feature the same .750" long rocker shaft bushings as S&S Roller Rockers: longer bushing provides 50% more load...09270033- SKU:
- 09270033
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MOUNTING POSITION:
- REAR INTAKE
- PRODUCT NAME:
- ROCKER ARM
- MOUNTING POSITION:
- FRONT EXHAUST
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- 8620 STEEL
$122.95 -
S&S CYCLE Rocker Arm Rebuild Kit - M8 900-1087
S&S CYCLE
$167.95Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability, Rocker arms have .75" long bushings instead of the .50" long bushings found on most other rocker arms, Feature a modified lubrication system with unrestricted...09270039- SKU:
- 09270039
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- ROCKER ARM
- UNITS:
- EACH
$167.95 -
S&S CYCLE Rocker Arm Shafts - M8 900-1090
S&S CYCLE
$173.95Made in the U.S.A.09270041- SKU:
- 09270041
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- ROCKER ARM
- UNITS:
- SET
$173.95 -
S&S CYCLE Rocker Arm Guardian Kit - M8 900-1092
S&S CYCLE
$917.95S&S CYCLE Rocker Arm Guardian Kit - M809270042- SKU:
- 09270042
- Availability:
- Ships Same Business Day
- Weight:
- 8.85 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- ROCKER ARM
$917.95 -
DRAG SPECIALTIES Replacement Rocker Arm - Front Exhaust - XL 1739457A-BX-LB1
DRAG SPECIALTIES
$85.44OEM style rocker armsDS193420- SKU:
- DS193420
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- MOUNTING POSITION:
- FRONT EXHAUST
- UNITS:
- PAIR
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- ROCKER ARM
- RIDING STYLE:
- STREET
$85.44 -
DRAG SPECIALTIES Replacement Rocker Arm - Rear Exhaust - XL 1739557A-BX-LB1
DRAG SPECIALTIES
$84.41OEM style rocker armsDS193421- SKU:
- DS193421
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- REAR EXHAUST
- PRODUCT NAME:
- ROCKER ARM
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- APPLICATION:
- EXHAUST
$84.41 -
DRAG SPECIALTIES Replacement Rocker Arm - Front Intake - XL 1739657A-BX-LB1
DRAG SPECIALTIES
$84.41OEM style rocker armsDS193422- SKU:
- DS193422
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- UNITS:
- PAIR
- APPLICATION:
- EXHAUST
- MOUNTING POSITION:
- FRONT INTAKE
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- ROCKER ARM
- RIDING STYLE:
- STREET
$84.41 -
DRAG SPECIALTIES Replacement Rocker Arm - Rear Intake - XL 1739757A-BX-LB1
DRAG SPECIALTIES
$84.41OEM style rocker armsDS193423- SKU:
- DS193423
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- MOUNTING POSITION:
- REAR INTAKE
- UNITS:
- PAIR
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- ROCKER ARM
- RIDING STYLE:
- STREET
$84.41
