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Tech Support Backed by Years of Riding Experience
S&S Cycle Rocker Arm Support - 90-4140 for Select Harley-Davidson Motorcycles
- Part #:
277521
- Mfg Part #:
90-4140
- Add'l OEM/Ref #(s) Add'l OEM/Ref Numbers
S&S Cycle Rocker Arm Support - 90-4140 for Select Harley-Davidson Motorcycles
- Part #:
277521
- Mfg Part #:
90-4140
- Add'l OEM/Ref #(s) Add'l OEM/Ref Numbers
Price: $81.95
Item DOES NOT fit your 2025 Harley-Davidson Road King Special - FLHRXS
(1) Options available
Returns not accepted on open box items
Type
Rocker Arm Support
Part #
M1K32W
Details
PREV RETURN - BEEN INSTALLED - MOUNT MARKS AND DIRTY
S&S Cycle Rocker Arm Support
Beef up your engine with the S&S Cycle Rocker Arm Support, a heavy-duty upgrade for Harley performance. This precision-crafted support reinforces your rocker arms, ensuring smooth valve operation under high RPMs. Built from top-grade materials, it’s designed to handle the stress of big-bore or high-lift builds. Easy to install, it’s a critical piece for engine rebuilds or power boosts, keeping your top end rock-solid. Perfect for riders chasing horsepower, it enhances durability and reduces wear over time. S&S Cycle’s engineering shines through, making it a favorite among performance junkies. Trust this support to keep your motor pounding at peak potential.
Replacement support for S&S Rocker Box Kit H50-586. Included Items: (1) Silver aluminum rocker arm support No instructions |
Mfg. Price Controlled Item
Due to the manufacturer's advertising policy - this item is excluded from promotions and discounts details
Specifications
| Mfg #: | 90-4140 |
|---|---|
| Part #: | 277521 |
| Type | Rocker Arm Support |
| Units | Each |
| Weight | 1.45 lbs |
Vendor Part Number(s):
ssc90-4140
Fitment for S&S Cycle Rocker Arm Support
Part 277521 fits the following machines
Harley-Davidson
Dyna Convertible - FXDS-CONV •
1999-2000
Dyna Defender Police - FXDP •
2001-2004
Dyna Fat Bob - FXDF •
2009-2017
Dyna Fat Bob (EFI) - FXDF •
2008
Dyna Fat Bob CVO/SE - FXDFSE •
2009
Dyna Fat Bob CVO/SE - FXDFSE 2 •
2010
Dyna Low Rider - FXDL •
1999-2005, 2009, 2014-2017
Dyna Low Rider (EFI) -FXDL •
2007-2008
Dyna Low Rider Injected - FXDL I •
2004-2006
Dyna Street Bob - FXDB •
2009-2017
Dyna Street Bob (EFI) - FXDB •
2007-2008
Dyna Street Bob Injected - FXDB I •
2006
Dyna Super Glide - FXD •
1999-2005, 2009-2010
Dyna Super Glide (EFI) - FXD •
2007-2008
Dyna Super Glide Custom - FXDC •
2005, 2009-2014
Dyna Super Glide Custom (EFI) - FXDC •
2007-2008
Dyna Super Glide Custom Injected - FXDC I •
2005-2006
Dyna Super Glide CVO/SE (EFI) - FXDSE •
2007
Dyna Super Glide CVO/SE (EFI) - FXDSE 2 •
2008
Dyna Super Glide Injected - FXD I •
2004-2006
Dyna Super Glide Injected - FXD I 35 •
2006
Dyna Super Glide Sport - FXDX •
1999-2005
Dyna Super Glide Sport Injected - FXDX I •
2004-2005
Dyna Super Glide T-Sport - FXDXT •
2001-2003
Dyna Switchback - FLD •
2012-2016
Dyna Wide Glide - FXDWG •
1999-2005, 2010-2017
Dyna Wide Glide - FXDWG 2 •
2001
Dyna Wide Glide - FXDWG 3 •
2002
Dyna Wide Glide (EFI) - FXDWG •
2007-2008
Dyna Wide Glide Injected - FXDWG I •
2004-2006
Heritage Softail - FLST •
2006
Heritage Softail Classic - FLSTC •
1999-2006, 2009-2017
Heritage Softail Classic (EFI) - FLSTC •
2007-2008
Heritage Softail Classic Injected - FLSTC I •
2001-2006
Heritage Softail Injected - FLST I •
2006
Heritage Softail Springer - FLSTS •
1999-2003
Heritage Softail Springer Injected - FLSTS I •
2001-2003
Low Rider S - FXDLS •
2016-2017
Road Glide - FLTR •
1999-2002, 2009
Road Glide - FLTRX •
2015-2016
Road Glide (EFI) - FLTR •
2007-2008
Road Glide Custom - FLTRX •
2010-2013
Road Glide Custom CVO/SE - FLTRXSE •
2012
Road Glide Custom CVO/SE - FLTRXSE 2 •
2013
Road Glide CVO/SE - FLTRSE 3 •
2009
Road Glide Injected - FLTR I •
1999-2006
Road Glide Injected CVO/SE - FLTRSE I •
2000
Road Glide Injected CVO/SE - FLTRSE I 2 •
2001
Road Glide Special - FLTRXS •
2015-2016
Road Glide Ultra - FLTRU
2011-2013, 2016
Road Glide Ultra CVO/SE - FLTRUSE
2011, 2015-2016
Softail Blackline - FXS
2011-2013
Softail Breakout - FXSB
2013-2017
Softail Breakout CVO/SE - FXSBSE
2013-2014
Softail Convertible CVO/SE - FLSTSE
2010
Softail Convertible CVO/SE - FLSTSE 2
2011
Softail Convertible CVO/SE - FLSTSE 3
2012
Softail Cross Bones - FLSTSB
2009-2011
Softail Cross Bones (EFI) - FLSTSB
2008
Softail Custom - FXSTC
1999, 2009-2010
Softail Custom (EFI) - FXSTC
2007-2008
Softail Deluxe - FLSTN
2005-2006, 2009-2017
Softail Deluxe (EFI) - FLSTN
2007-2008
Softail Deluxe CVO/SE - FLSTNSE
2014-2015
Softail Deluxe Injected - FLSTN I
2005-2006
Softail Deuce - FXSTD
2000-2006
Softail Deuce (EFI) - FXSTD
2007
Softail Deuce Injected - FXSTD I
2001-2006
Softail Deuce Injected CVO/SE - FXSTDSE
2003
Softail Deuce Injected CVO/SE - FXSTDSE 2
2004
Softail Fat Boy - FLSTF
1999-2006, 2009-2017
Softail Fat Boy (EFI) - FLSTF
2007-2008
Softail Fat Boy Injected - FLSTF I
2001-2006
Softail Fat Boy Injected CVO/SE - FLSTFSE
2005
Softail Fat Boy Injected CVO/SE - FLSTFSE 2
2006
Softail Fat Boy Lo - FLSTFB
2010-2016
Softail Fat Boy S - FLSTFBS
2016-2017
Softail Night Train - FXSTB
1999-2006, 2009
Softail Night Train (EFI) - FXSTB
2007-2008
Softail Night Train Injected - FXSTB I
2001-2006
Softail Pro Street Breakout CVO/SE - FXSE
2016-2017
Softail Rocker - FXCW
2009
Softail Rocker (EFI) - FXCW
2008
Softail Rocker C - FXCWC
2009-2011
Softail Rocker C (EFI) - FXCWC
2008
Softail Slim - FLS
2012-2017
Softail Slim S - FLSS
2016-2017
Softail Springer - FXSTS
1999-2006
Softail Springer Classic - FLSTSC
2005-2006
Softail Springer Classic (EFI) - FLSTSC
2007
Softail Springer Classic Injected - FLSTSC I
2005-2006
Softail Springer CVO/SE - FXSTSSE 3
2009
Softail Springer CVO/SE (EFI) - FXSTSSE
2007
Softail Springer CVO/SE (EFI) - FXSTSSE 2
2008
Softail Springer Injected - FXSTS I
2001-2006
Softail Standard - FXST
1999-2006
Softail Standard (EFI) - FXST
2007
Softail Standard Injected - FXST I
2001-2006
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