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
-
ROCKER LOCKERS Rocker Locker Kit - Twin Cam - 10 Pack DK-RL-TC-10
ROCKER LOCKERS
$133.30Rocker arm tick is a persistent problem that compromises both engine reliability and ride quality on Twin Cam Harley-Davidsons. This kit eliminates the root cause—inconsistent wear patterns and play between the rocker arm shaft and bolt—by centering the...09500924- SKU:
- 09500924
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- BASE FINISH:
- NATURAL
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- SILVER
- COLOR/FINISH:
- WHITE
- BASE COLOR:
- BRASS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- ROCKER LOCKER
- TYPE:
- STOCK
- UNITS:
- 10 PACK
$133.30 -
ROCKER LOCKERS Rocker Locker Kit - XL DK-RL-SPT
ROCKER LOCKERS
$24.95Harley rocker arm tick is more than just annoying—it's a sign that your rocker plates are wearing unevenly and your valve train geometry is compromised. The ROCKER LOCKERS XL kit solves this by centering your rocker plate and eliminating the play between...09500925- SKU:
- 09500925
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- SILVER
- COLOR/FINISH:
- WHITE
- UNITS:
- KIT
- PRODUCT NAME:
- ROCKER LOCKER
- TYPE:
- STOCK
- BASE COLOR:
- BRASS
- BASE FINISH:
- NATURAL
- RIDING STYLE:
- STREET
$24.95 -
On Sale
ROCKER LOCKERS Rocker Locker Kit - XL - 10 Pack DK-RL-SPT-10
ROCKER LOCKERS
Now: $35.00Was: $54.00Rocker arm tick is more than an annoyance—it's a sign that your rocker plates are shifting under load, creating uneven wear patterns that accelerate component degradation. The ROCKER LOCKERS XL Kit solves this problem by centering your rocker plates and...09500926- SKU:
- 09500926
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- SILVER
- COLOR/FINISH:
- WHITE
- TYPE:
- STOCK
- BASE COLOR:
- BRASS
- BASE FINISH:
- NATURAL
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- ROCKER LOCKER
- UNITS:
- 10 PACK
Now: $35.00Was: $54.00 -
ROCKER LOCKERS Rocker Locker Kit - 86-06 XL DK-RL-SPT-8606
ROCKER LOCKERS
$24.95Harley rocker arm tick is more than just an annoying noise—it's a sign that your rocker plates are shifting under load, causing uneven wear and potential valve train instability. The ROCKER LOCKERS Rocker Locker Kit eliminates this problem by centering...09500927- SKU:
- 09500927
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- BRASS
- RIDING STYLE:
- STREET
- TYPE:
- STOCK
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- SILVER
- BASE FINISH:
- NATURAL
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- ROCKER LOCKER
$24.95 -
On Sale
ROCKER LOCKERS Rocker Locker Kit - 86-06 XL - 10 Pack DK-RL-SPT860610
ROCKER LOCKERS
Now: $35.00Was: $54.00Harley rocker arm tick is more than just an annoying noise—it's a sign of wear that compounds over time. ROCKER LOCKERS eliminate the gap between your rocker arm shaft and bolt, centering the rocker plate to prevent uneven wear patterns that accelerate...09500928- SKU:
- 09500928
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BASE COLOR:
- BRASS
- RIDING STYLE:
- STREET
- TYPE:
- STOCK
- BASE FINISH:
- NATURAL
- COLOR/FINISH:
- WHITE
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- SILVER
- UNITS:
- 10 PACK
- PRODUCT NAME:
- ROCKER LOCKER
Now: $35.00Was: $54.00 -
On Sale
ROCKER LOCKERS Rocker Locker Kit - 84-00 Big Twin Evolution - 10 Pack DK-RL-BTE-10
ROCKER LOCKERS
Now: $35.00Was: $54.00Harley rocker arm tick is more than just an annoying noise—it's a sign that your rocker plates are wearing unevenly and your valve train is losing precision. The ROCKER LOCKERS kit eliminates this problem by centering the rocker plate and locking it in...09500930- SKU:
- 09500930
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- UNITS:
- 10 PACK
- BASE COLOR:
- BRASS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- ROCKER LOCKER
- TYPE:
- STOCK
- BASE FINISH:
- NATURAL
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- SILVER
- COLOR/FINISH:
- WHITE
Now: $35.00Was: $54.00 -
ROCKER LOCKERS Rocker Locker Kit - Twin Cam - Aftermarket Support Plates DK-RL-AMSP-TC
ROCKER LOCKERS
$29.95Harley twin-cam engines are prone to rocker arm wear and the distinctive tick that comes with it. ROCKER LOCKERS' aftermarket support plates solve this problem by eliminating the play between your rocker arm shaft and bolt, centering the rocker plate to...09500931- SKU:
- 09500931
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- ROCKER LOCKER
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- SILVER
- TYPE:
- AFTER MARKET SUPPORT PLATES
- UNITS:
- KIT
- BASE FINISH:
- NATURAL
- COLOR/FINISH:
- WHITE
- BASE COLOR:
- BRASS
- RIDING STYLE:
- STREET
$29.95 -
ROCKER LOCKERS Rocker Locker Kit - Twin Cam DK-RL-TC
ROCKER LOCKERS
$24.95If you're running a Twin Cam Harley and dealing with persistent rocker arm tick, this kit addresses the root cause: inconsistent wear patterns and play between the rocker arm shaft and bolt. By centering the rocker plate and locking it in place with a...09500923- SKU:
- 09500923
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- BASE FINISH:
- NATURAL
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- SILVER
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- ROCKER LOCKER
- TYPE:
- STOCK
- BASE COLOR:
- BRASS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$24.95 -
KIBBLEWHITE BUSHINGS ROCKER ARM 20-2106
KIBBLEWHITE
$33.85Rocker arm bushings are a critical wear point in any high-revving engine—inadequate bushing material leads to excessive clearance, valve timing drift, and accelerated component degradation. Kibblewhite's SAE660 bearing bronze bushings eliminate these...09270024- SKU:
- 09270024
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- 8 PACK
- MATERIAL:
- C932 BRONZE
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- TYPE:
- ROCKER ARM
$33.85 -
JIMS Roller Rocker Arms 1966-1984 Harley-Davidson FLH Electra Glide 1732
JIMS
$1,037.95Stock rocker arms limit your Electra Glide's potential through excessive friction and heat generation in the valve train. JIMS Roller Rocker Arms reduce parasitic losses, freeing up horsepower while keeping your top end cooler and more reliable. This is...09270021- SKU:
- 09270021
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- RIDING STYLE:
- STREET
- TYPE:
- ROLLER
- APPLICATION:
- EXHAUST
- MOUNTING POSITION:
- FRONT
- UNITS:
- SET OF 4
- APPLICATION:
- INTAKE
- MATERIAL:
- CHROMOLY STEEL
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- ROCKER ARM
$1,037.95 -
Jims Rocker Arm Shaft and Hardware Kit for 2017-2022 Harley-Davidson FLHRXS Road King Special 5836
JIMS
$400.95The stock rocker arm hardware on your 2017-2022 Road King Special can become a bottleneck during high-performance builds, especially when running increased spring pressures or extended engine duty cycles. This JIMS kit replaces those components with...09270034- SKU:
- 09270034
- Availability:
- Ships Same Business Day
- Weight:
- 2.11 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- ROCKER ARM
- RIDING STYLE:
- STREET
$400.95Qty in Cart: 0Quantity:Price:$400.95Subtotal: -
Jims Rocker Arm Shaft Kit 2018-2022 Harley-Davidson FLFBS Fat Boy 114 5837
JIMS
$252.95The Milwaukee-Eight® engine demands precision engineering to maintain reliable valve train operation under load and high RPM conditions. Factory rocker arm shafts can accumulate wear, leading to valve timing drift and reduced engine efficiency. The JIMS...09270035- SKU:
- 09270035
- Availability:
- Ships Same Business Day
- Weight:
- 2.11 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- ROCKER ARM
- RIDING STYLE:
- STREET
$252.95Qty in Cart: 0Quantity:Price:$252.95Subtotal: -
EASTERN MOTORCYCLE PARTS Rocker Arm Lock Nut V-13-241
EASTERN MOTORCYCLE PARTS
$18.95Rocker arm lock nuts are critical fasteners that prevent vibration-induced loosening during high-RPM operation—a failure point that can lead to catastrophic valve train damage. This Eastern Motorcycle Parts lock nut delivers the secure clamping force...09270031- SKU:
- 09270031
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- ROCKER ARM
- RIDING STYLE:
- STREET
- TYPE:
- LOCK
- UNITS:
- 4 PACK
- PRODUCT NAME:
- NUT
$18.95 -
EASTERN MOTORCYCLE PARTS Rocker Arm Shims - .007" A-6767
EASTERN MOTORCYCLE PARTS
$8.00Proper valve clearance is critical to engine performance, reliability, and longevity—and rocker arm shims are your precision tool for achieving exact specifications. The Eastern Motorcycle Parts A-6767 shim delivers the tight tolerances your engine...09270006- SKU:
- 09270006
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- MOUNTING POSITION:
- FRONT
- TYPE:
- ROCKER ARM
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- SIZE:
- 0,007'
- SIZE IMPERIAL:
- 0.007'
- UNITS:
- 10 PACK
$8.00 -
EASTERN MOTORCYCLE PARTS Rocker Arm Shims - .005" A-6767A
EASTERN MOTORCYCLE PARTS
$8.00Rocker arm shims are critical for maintaining precise valve clearance and ensuring optimal engine performance across temperature cycles. Running incorrect clearance leads to valve float, reduced compression, and potential catastrophic engine damage...09270007- SKU:
- 09270007
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- SIZE IMPERIAL:
- 0.005'
- TYPE:
- ROCKER ARM
- MOUNTING POSITION:
- FRONT
- UNITS:
- 10 PACK
- PRODUCT NAME:
- SHIM
- SIZE:
- 0,005'
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$8.00 -
EASTERN MOTORCYCLE PARTS Rocker Arm Shims - .015" A-6767B
EASTERN MOTORCYCLE PARTS
$8.00Proper valve clearance is critical to engine performance, and worn rocker arm shims compromise both reliability and power output. The EASTERN MOTORCYCLE PARTS Rocker Arm Shims (.015") restore precise valve timing and eliminate excessive wear on your...09270008- SKU:
- 09270008
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- FRONT
- APPLICATION:
- EXHAUST
- SIZE:
- 0,015'
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- 0.015'
- TYPE:
- ROCKER ARM
- UNITS:
- 10 PACK
$8.00 -
EASTERN MOTORCYCLE PARTS Rocker Arm Spacers A-17452-66
EASTERN MOTORCYCLE PARTS
$14.80Rocker arm spacers are critical for maintaining precise valve train geometry and ensuring consistent performance across your engine's RPM range. Improper valve clearance leads to loss of power, increased wear on valve seats, and potential engine...09270009- SKU:
- 09270009
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SPACER
- UNITS:
- 4 PACK
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- REAR
- TYPE:
- ROCKER ARM SHAFT
$14.80 -
EASTERN MOTORCYCLE PARTS Rocker Shaft Spacers A-17451-57
EASTERN MOTORCYCLE PARTS
$9.40Rocker shaft spacers are critical for maintaining proper valve train geometry and preventing excessive wear on your cylinder head. Incorrect spacing leads to binding, misalignment, and premature failure of your rocker assembly. Eastern Motorcycle Parts'...09270011- SKU:
- 09270011
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- SPACER
- TYPE:
- ROCKER ARM SHAFT
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
$9.40 -
EASTERN MOTORCYCLE PARTS Rocker Shaft Washers A-17450-73
EASTERN MOTORCYCLE PARTS
$6.70Rocker shaft washers are critical wear components that maintain proper valve train geometry and prevent costly bearing damage. Over time, these washers compress and degrade, leading to increased valve lash, poor sealing, and accelerated wear on your...09270013- SKU:
- 09270013
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- WASHER
- TYPE:
- ROCKER ARM SHAFT
- APPLICATION:
- EXHAUST
- MOUNTING POSITION:
- FRONT
- UNITS:
- 10 PACK
$6.70 -
EASTERN MOTORCYCLE PARTS Rocker Arm Washers A-6466
EASTERN MOTORCYCLE PARTS
$8.10Rocker arm washers are a critical maintenance item that's often overlooked until valve train noise or rocker shaft loosening becomes a problem. These A-6466 washers distribute clamping force evenly under the rocker shaft nuts, preventing the shaft from...09270025- SKU:
- 09270025
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- WASHER
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- TYPE:
- ROCKER ARM SHAFT
- APPLICATION:
- EXHAUST
- MOUNTING POSITION:
- FRONT
$8.10
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Engine Rocker Arms and Parts
- Compatibility: Ensure rocker arms and parts fit your Harley's engine type (e.g., Twin Cam, Evo, Big Twin, M8) and model (e.g., Softail, Dyna, Touring). Use the vehicle selector for year-specific matches to avoid valvetrain or clearance issues.
- Type of Use: For high-lift cams or performance riding, select adjustable rocker arms with higher ratios (1.625:1); standard rebuilds benefit from OEM-style arms and bushings for reliable operation in daily conditions.
- Components and Upgrades: Choose rocker arms (forged/roller tip), shafts, supports, bushings, or kits; upgrade to high-ratio arms or bronze bushings for reduced friction and increased durability.
- Brand and Quality: Opt for Feuling for HP+ rocker arms with oil passages, S&S Cycle for forged arms and shafts, Andrews for high-ratio options, or Colony for bushing kits. Prioritize forged steel or billet aluminum for strength and longevity.
- Installation and Cost: Parts are designed for DIY valvetrain upgrades with basic tools; prices range from $20 for bushings to $400 for rocker arm kits—factor in USA-made quality and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models and engines do these rocker arms and parts support? Parts support Twin Cam, Evo, Big Twin, M8, and models like Softail, Dyna, Touring—use the year/make/model filter for exact compatibility.
- How do high-ratio rocker arms improve performance? They increase valve lift (e.g., 1.625:1 ratio) for better airflow and power without changing cams, ideal for performance upgrades.
- What is typically included in a rocker arm kit? Kits include arms, shafts, supports, bushings, and hardware for complete valvetrain rebuilds.
- Are bronze bushings better than stock? Yes, they reduce friction and wear, with options for press-fit or roller bearings in high-load applications.
- What if a part doesn't fit my Harley? Verify engine type, ratio, and model before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related engine parts? Yes—explore valves, pushrods, or cams in the Harley engine category to complement your rocker arm upgrade for a full valvetrain refresh.
