Rocker Arm Parts

24 products

Rocker Arm Parts for Harley-Davidson covers individual rocker arm components including bushings, shafts, adjusters and roller bearings that keep your valve train operating smoothly. Worn rocker arm parts lead to noisy valve operation, inconsistent valve lift and reduced engine performance. Available through Iron City Motorcycles, an authorised Harley-Davidson dealer, this selection features MCS, S&S and DK Custom. Whether you ride a Sportster, Softail or Dyna with an Evolution, Twin Cam or Milwaukee-Eight engine, you will find precision-manufactured replacement parts that restore factory-correct valve train geometry. Each component is engineered for durability under the demanding conditions of a high-mileage V-twin. Browse the full range below.

OEM Replacement Parts OEM Only — Active Genuine H-D & replacements Tap to clear filter

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Showing 1–24 of 24 MOTOR PARTS

S&S S&S, rocker arm housing set. Polished

S&S, rocker arm housing set. Polished

S&S

#900-0617

£714.23£642.81

Member£607.10-15%

S&S S&S, Knuckle rocker arm oil feed line

S&S, Knuckle rocker arm oil feed line

S&S

#106-4670

£134.88£121.39

Member£114.65-15%

Jims JIMS, rocker arm bushing set

JIMS, rocker arm bushing set

Jims

#17428-57K

Member£75.01-15%

Jims JIMS, rocker arm bushing set

JIMS, rocker arm bushing set

Jims

#17428-83K

Member£66.69-15%

Jims JIMS, replacement roller set for roller rocker arms

JIMS, replacement roller set for roller rocker arms

Jims

#2178K

Member£65.90-15%

S&S S&S, nut. Rocker arm shaft

S&S, nut. Rocker arm shaft

S&S

#106-4355

Member£38.45-15%

Kibblewhite KPMI, rocker arm bushing set

KPMI, rocker arm bushing set

Kibblewhite

#20-2106

Member£31.67-15%

MCS Panhead rocker arm stud set

Panhead rocker arm stud set

MCS

#901586

Member£30.84-15%

Jims JIMS, replacement axle for roller

JIMS, replacement axle for roller

Jims

#2179K

Member£30.45-15%

DK Custom DK Custom, Rocker Locker kit. Twin Cam custom

DK Custom, Rocker Locker kit. Twin Cam custom

DK Custom

#DK-RL-AMSP-TC

Member£24.74-15%

Kibblewhite KPMI, nuts for rocker arm to tower studs. 4-pk

KPMI, nuts for rocker arm to tower studs. 4-pk

Kibblewhite

#41007-4

Member£22.51-15%

DK Custom DK Custom, Rocker Locker kit. Twin Cam

DK Custom, Rocker Locker kit. Twin Cam

DK Custom

#DK-RL-TC

Member£21.68-15%

DK Custom DK Custom, Rocker Locker kit. Sportster

DK Custom, Rocker Locker kit. Sportster

DK Custom

#DK-RL-SPT-8606

Member£21.68-15%

DK Custom DK Custom, Rocker Locker kit. Evo B.T.

DK Custom, Rocker Locker kit. Evo B.T.

DK Custom

#DK-RL-BTE

Member£21.68-15%

MCS Spacer, rocker arm

Spacer, rocker arm

MCS

#917452

Member£16.89-15%

Colony Colony, Panhead rocker arm stud flex nut set

Colony, Panhead rocker arm stud flex nut set

Colony

#9918-8-Z

Member£15.82-15%

MCS Rocker arm bushings. 2pk

Rocker arm bushings. 2pk

MCS

#509040

Member£15.66-15%

Colony Colony, Knucklehead rocker arm thrust washer kit

Colony, Knucklehead rocker arm thrust washer kit

Colony

#7605-4

Member£15.01-15%

Jims JIMS, replacement lock ring set for roller rocker arms

JIMS, replacement lock ring set for roller rocker arms

Jims

#2180K

Member£11.87-15%

MCS Spring, rocker arm

Spring, rocker arm

MCS

#998357

Member£10.73-15%

MCS Panhead rocker arm oiler set

Panhead rocker arm oiler set

MCS

#904865

Member£9.22-15%

MCS Washer, rocker arm shaft. left/outside

Washer, rocker arm shaft. left/outside

MCS

#901010

Member£9.18-15%

MCS Auto-just rocker arm tension kit

Auto-just rocker arm tension kit

MCS

#502680

Member£7.80-15%

MCS Rocker arm shim set Shovel .005"

Rocker arm shim set Shovel .005"

MCS

#515725

Member£6.64-15%

S&S S&S, rocker arm housing set. Polished

S&S, rocker arm housing set. Polished

S&S

#900-0617

£714.23 £642.81

Member £607.10 -15%

S&S S&S, Knuckle rocker arm oil feed line

S&S, Knuckle rocker arm oil feed line

S&S

#106-4670

£134.88 £121.39

Member £114.65 -15%

Jims JIMS, rocker arm bushing set

JIMS, rocker arm bushing set

Jims

#17428-57K

£88.25 £79.43

Member £75.01 -15%

Jims JIMS, rocker arm bushing set

JIMS, rocker arm bushing set

Jims

#17428-83K

£78.46 £70.61

Member £66.69 -15%

Jims JIMS, replacement roller set for roller rocker arms

JIMS, replacement roller set for roller rocker arms

Jims

#2178K

£77.53 £69.78

Member £65.90 -15%

S&S S&S, nut. Rocker arm shaft

S&S, nut. Rocker arm shaft

S&S

#106-4355

£45.23 £40.71

Member £38.45 -15%

Kibblewhite KPMI, rocker arm bushing set

KPMI, rocker arm bushing set

Kibblewhite

#20-2106

£37.26 £33.53

Member £31.67 -15%

MCS Panhead rocker arm stud set

Panhead rocker arm stud set

MCS

#901586

£36.28 £32.65

Member £30.84 -15%

Jims JIMS, replacement axle for roller

JIMS, replacement axle for roller

Jims

#2179K

£35.82 £32.24

Member £30.45 -15%

DK Custom DK Custom, Rocker Locker kit. Twin Cam custom

DK Custom, Rocker Locker kit. Twin Cam custom

DK Custom

#DK-RL-AMSP-TC

£29.11 £26.20

Member £24.74 -15%

Kibblewhite KPMI, nuts for rocker arm to tower studs. 4-pk

KPMI, nuts for rocker arm to tower studs. 4-pk

Kibblewhite

#41007-4

£26.48 £23.83

Member £22.51 -15%

DK Custom DK Custom, Rocker Locker kit. Twin Cam

DK Custom, Rocker Locker kit. Twin Cam

DK Custom

#DK-RL-TC

£25.51 £22.96

Member £21.68 -15%

DK Custom DK Custom, Rocker Locker kit. Sportster

DK Custom, Rocker Locker kit. Sportster

DK Custom

#DK-RL-SPT-8606

£25.51 £22.96

Member £21.68 -15%

DK Custom DK Custom, Rocker Locker kit. Evo B.T.

DK Custom, Rocker Locker kit. Evo B.T.

DK Custom

#DK-RL-BTE

£25.51 £22.96

Member £21.68 -15%

MCS Spacer, rocker arm

Spacer, rocker arm

MCS

#917452

£19.87 £17.88

Member £16.89 -15%

Colony Colony, Panhead rocker arm stud flex nut set

Colony, Panhead rocker arm stud flex nut set

Colony

#9918-8-Z

£18.61 £16.75

Member £15.82 -15%

MCS Rocker arm bushings. 2pk

Rocker arm bushings. 2pk

MCS

#509040

£18.42 £16.58

Member £15.66 -15%

Colony Colony, Knucklehead rocker arm thrust washer kit

Colony, Knucklehead rocker arm thrust washer kit

Colony

#7605-4

£17.66 £15.89

Member £15.01 -15%

Jims JIMS, replacement lock ring set for roller rocker arms

JIMS, replacement lock ring set for roller rocker arms

Jims

#2180K

£13.97 £12.57

Member £11.87 -15%

MCS Spring, rocker arm

Spring, rocker arm

MCS

#998357

£12.62 £11.36

Member £10.73 -15%

MCS Panhead rocker arm oiler set

Panhead rocker arm oiler set

MCS

#904865

Member £9.22 -15%

MCS Washer, rocker arm shaft. left/outside

Washer, rocker arm shaft. left/outside

MCS

#901010

Member £9.18 -15%

MCS Auto-just rocker arm tension kit

Auto-just rocker arm tension kit

MCS

#502680

Member £7.80 -15%

MCS Rocker arm shim set Shovel .005"

Rocker arm shim set Shovel .005"

MCS

#515725

Member £6.64 -15%

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