S&S Cycle
S&S Cycle 585G Gear Drive Camshaft Kit Twin Cam - 33-5268 For Harley Motorcycles 2006-2017
MPN:
33-5268
SKU:
0925-0158
S&S Cycle
S&S Cycle 585G Gear Drive Camshaft Kit Twin Cam - 33-5268 For Harley Motorcycles 2006-2017
MPN:
33-5268
SKU:
0925-0158
Availability:
9 in stock, ready to be shipped
Designed for 88/96/103/110 cubic-inch engines with compression ratios from 10.0:1 to 10.5:1
Reverses the rear cam's direction of rotation, providing additional operating clearance between cam lobes making higher cam lifts possible
Increases valve timing accuracy by eliminating chain lash and loosely fit stock chain drive
Material must be removed from inner surface of the stock gear cover to install
3500-6000 rpm for 88" to 103" engines and 2500-5500 rpm for larger engines
A hydraulic press and other professional level tool are required for installation
S&S recommends that adjustable pushrod/cover get be used
Cam bearings and gaskets must be replaced when installing new cams
Kit includes camshafts, inner gears, outer gears, inner bearings, outer bearings, gasket and instructions
Installer must check coil bind, valve to valve clearance and valve to piston clearance.
Due to the inherent characteristics of gear drives, more valve train noise may occur.
Made in the USA
Specs
Product Name
Camshaft Kit
Type
Gear
Application
Exhaust / Intake
Grind
585 Series
Intake Lift at TDC
0.186"
Intake Open
20°
Intake Lift
0.585"
Intake Duration
245°
Intake Lobe Centerline
102.5°
Intake Close
45°
Exhaust Lift
0.585"
Exhaust Duration
260°
Exhaust Lobe Centerline
110°
Exhaust Lift at TDC
0.179"
Exhaust Open
60°
Exhaust Close
20°
Units
Kit
Riding Style
Street
2006-2009,2014-2017
Harley-Davidson
Dyna Low Rider FXDL
2006
Harley-Davidson
Dyna Low Rider FXDLI
2006-2008,2010-2017
Harley-Davidson
Dyna Wide Glide FXDWG
2006
Harley-Davidson
Dyna Wide Glide FXDWGI
2006-2017
Harley-Davidson
Street Bob FXDB
2006
Harley-Davidson
Super Glide Custom FXDCI
2006-2010
Harley-Davidson
Super Glide FXD
2006
Harley-Davidson
Super Glide FXD35
2006
Harley-Davidson
Super Glide FXDI
2007-2013
Harley-Davidson
Electra Glide Classic FLHTC
2007-2016
Harley-Davidson
Electra Glide Police FLHTPI
2007-2009
Harley-Davidson
Electra Glide Standard FLHT
2007-2016
Harley-Davidson
Electra Glide Ultra Classic FLHTCU
2007-2010,2016
Harley-Davidson
Road Glide FLTR
2007
Harley-Davidson
Road King Custom FLHRS
2007-2016
Harley-Davidson
Road King FLHR/FLHRC
2007
Harley-Davidson
Screamin' Eagle Dyna FXDSE
2007
Harley-Davidson
Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE2
2007
Harley-Davidson
Screamin' Eagle Road King FLHRSE3
2007
Harley-Davidson
Screamin' Eagle Softail Springer FXSTSSE
2007-2010
Harley-Davidson
Softail Custom FXSTC
2007-2017
Harley-Davidson
Softail Deluxe FLSTN
2007
Harley-Davidson
Softail Deuce FXSTD
2007-2017
Harley-Davidson
Softail Fat Boy FLSTF
2007-2017
Harley-Davidson
Softail Heritage Classic FLSTC
2007-2009
Harley-Davidson
Softail Night Train FXSTB
2007-2011
Harley-Davidson
Softail Rocker C FXCWC
2007-2010
Harley-Davidson
Softail Rocker FXCW
2007
Harley-Davidson
Softail Springer Classic FLSTSC
2007-2009
Harley-Davidson
Softail Standard FXST
2007-2016
Harley-Davidson
Street Glide FLHX/FLHXS
2007-2014
Harley-Davidson
Super Glide Custom FXDC
2008-2017
Harley-Davidson
Fat Bob FXDF
2008
Harley-Davidson
Screamin' Eagle Dyna FXDSE2
2008
Harley-Davidson
Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE3
2008
Harley-Davidson
Screamin' Eagle Road King FLHRSE4
2008
Harley-Davidson
Screamin' Eagle Softail Springer FXSTSSE2
2008-2011
Harley-Davidson
Softail Cross Bones FLSTSB
2009
Harley-Davidson
CVO Fat Bob FXDFSE
2009
Harley-Davidson
CVO Road Glide FLTRSE3
2009
Harley-Davidson
CVO Softail Springer FXSTSSE3
2009
Harley-Davidson
CVO Ultra Classic Electra Glide FLHTCUSE4
2009-2017
Harley-Davidson
Softail Fat Boy Lo FLSTFB
2010
Harley-Davidson
CVO Fat Bob FXDFSE2
2010
Harley-Davidson
CVO Softail Convertible FLSTSE
2010,2015-2016
Harley-Davidson
CVO Street Glide FLHXSE
2010
Harley-Davidson
CVO Ultra Classic Electra Glide FLHTCUSE5
2010-2016
Harley-Davidson
Electra Glide Ultra Limited FLHTK
2010-2012
Harley-Davidson
Softail Standard FXSTI
2011-2013
Harley-Davidson
Blackline FXS
2011,2015-2016
Harley-Davidson
CVO Road Glide Ultra FLTRUSE
2011
Harley-Davidson
CVO Softail Convertible FLSTSE2
2011
Harley-Davidson
CVO Street Glide FLHXSE2
2011
Harley-Davidson
CVO Ultra Classic Electra Glide FLHTCUSE6
2011-2013,2015-2016
Harley-Davidson
Road Glide FLTRX/FLTRXS
2011-2013,2016
Harley-Davidson
Road Glide Ultra FLTRU
2012
Harley-Davidson
CVO Road Glide FLTRXSE
2012
Harley-Davidson
CVO Softail Convertible FLSTSE3
2012
Harley-Davidson
CVO Street Glide FLHXSE3
2012
Harley-Davidson
CVO Ultra Classic Electra Glide FLHTCUSE7
2012-2017
Harley-Davidson
Softail Slim FLS
2012-2016
Harley-Davidson
Switchback FLD
2013-2017
Harley-Davidson
Breakout FXSB
2013-2014
Harley-Davidson
CVO Breakout FXSBSE
2013
Harley-Davidson
CVO Road Glide FLTRXSE2
2013
Harley-Davidson
CVO Road King FLHRSE5
2013
Harley-Davidson
CVO Ultra Classic Electra Glide FLHTCUSE8
2014-2016
Harley-Davidson
CVO Electra Glide Ultra Limited FLHTKSE
2014
Harley-Davidson
CVO Road King FLHRSE
2014-2015
Harley-Davidson
CVO Softail Deluxe FLSTNSE
2014-2016
Harley-Davidson
Electra Glide Ultra Classic Low FLHTCUL
2015-2016
Harley-Davidson
Electra Glide Ultra Limited Low FLHTKL
2016-2017
Harley-Davidson
CVO Pro Street Breakout FXSE
2016-2017
Harley-Davidson
Low Rider S FXDLS
2016-2017
Harley-Davidson
Softail Fat Boy S FLSTFBS
2016-2017
Harley-Davidson
Softail Slim S FLSS
Fitment DisclosureThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.
Original price
$948.95
-
Original price
$948.95
Original price
$948.95
$948.95
-
$948.95
Current price
$948.95
Product Details
Features
- Designed for 88/96/103/110 cubic-inch engines with compression ratios from 10.0:1 to 10.5:1
- Reverses the rear cam's direction of rotation, providing additional operating clearance between cam lobes making higher cam lifts possible
- Increases valve timing accuracy by eliminating chain lash and loosely fit stock chain drive
- Material must be removed from inner surface of the stock gear cover to install
- 3500-6000 rpm for 88" to 103" engines and 2500-5500 rpm for larger engines
- A hydraulic press and other professional level tool are required for installation
- S&S recommends that adjustable pushrod/cover get be used
- Cam bearings and gaskets must be replaced when installing new cams
- Kit includes camshafts, inner gears, outer gears, inner bearings, outer bearings, gasket and instructions
- Installer must check coil bind, valve to valve clearance and valve to piston clearance.
- Due to the inherent characteristics of gear drives, more valve train noise may occur.
- Made in the USA
Specs
| Product Name | Camshaft Kit |
| Type | Gear |
| Application | Exhaust / Intake |
| Grind | 585 Series |
| Intake Lift at TDC | 0.186" |
| Intake Open | 20° |
| Intake Lift | 0.585" |
| Intake Duration | 245° |
| Intake Lobe Centerline | 102.5° |
| Intake Close | 45° |
| Exhaust Lift | 0.585" |
| Exhaust Duration | 260° |
| Exhaust Lobe Centerline | 110° |
| Exhaust Lift at TDC | 0.179" |
| Exhaust Open | 60° |
| Exhaust Close | 20° |
| Units | Kit |
| Riding Style | Street |
| 2006-2009,2014-2017 | Harley-Davidson | Dyna Low Rider FXDL |
| 2006 | Harley-Davidson | Dyna Low Rider FXDLI |
| 2006-2008,2010-2017 | Harley-Davidson | Dyna Wide Glide FXDWG |
| 2006 | Harley-Davidson | Dyna Wide Glide FXDWGI |
| 2006-2017 | Harley-Davidson | Street Bob FXDB |
| 2006 | Harley-Davidson | Super Glide Custom FXDCI |
| 2006-2010 | Harley-Davidson | Super Glide FXD |
| 2006 | Harley-Davidson | Super Glide FXD35 |
| 2006 | Harley-Davidson | Super Glide FXDI |
| 2007-2013 | Harley-Davidson | Electra Glide Classic FLHTC |
| 2007-2016 | Harley-Davidson | Electra Glide Police FLHTPI |
| 2007-2009 | Harley-Davidson | Electra Glide Standard FLHT |
| 2007-2016 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU |
| 2007-2010,2016 | Harley-Davidson | Road Glide FLTR |
| 2007 | Harley-Davidson | Road King Custom FLHRS |
| 2007-2016 | Harley-Davidson | Road King FLHR/FLHRC |
| 2007 | Harley-Davidson | Screamin' Eagle Dyna FXDSE |
| 2007 | Harley-Davidson | Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE2 |
| 2007 | Harley-Davidson | Screamin' Eagle Road King FLHRSE3 |
| 2007 | Harley-Davidson | Screamin' Eagle Softail Springer FXSTSSE |
| 2007-2010 | Harley-Davidson | Softail Custom FXSTC |
| 2007-2017 | Harley-Davidson | Softail Deluxe FLSTN |
| 2007 | Harley-Davidson | Softail Deuce FXSTD |
| 2007-2017 | Harley-Davidson | Softail Fat Boy FLSTF |
| 2007-2017 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 2007-2009 | Harley-Davidson | Softail Night Train FXSTB |
| 2007-2011 | Harley-Davidson | Softail Rocker C FXCWC |
| 2007-2010 | Harley-Davidson | Softail Rocker FXCW |
| 2007 | Harley-Davidson | Softail Springer Classic FLSTSC |
| 2007-2009 | Harley-Davidson | Softail Standard FXST |
| 2007-2016 | Harley-Davidson | Street Glide FLHX/FLHXS |
| 2007-2014 | Harley-Davidson | Super Glide Custom FXDC |
| 2008-2017 | Harley-Davidson | Fat Bob FXDF |
| 2008 | Harley-Davidson | Screamin' Eagle Dyna FXDSE2 |
| 2008 | Harley-Davidson | Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE3 |
| 2008 | Harley-Davidson | Screamin' Eagle Road King FLHRSE4 |
| 2008 | Harley-Davidson | Screamin' Eagle Softail Springer FXSTSSE2 |
| 2008-2011 | Harley-Davidson | Softail Cross Bones FLSTSB |
| 2009 | Harley-Davidson | CVO Fat Bob FXDFSE |
| 2009 | Harley-Davidson | CVO Road Glide FLTRSE3 |
| 2009 | Harley-Davidson | CVO Softail Springer FXSTSSE3 |
| 2009 | Harley-Davidson | CVO Ultra Classic Electra Glide FLHTCUSE4 |
| 2009-2017 | Harley-Davidson | Softail Fat Boy Lo FLSTFB |
| 2010 | Harley-Davidson | CVO Fat Bob FXDFSE2 |
| 2010 | Harley-Davidson | CVO Softail Convertible FLSTSE |
| 2010,2015-2016 | Harley-Davidson | CVO Street Glide FLHXSE |
| 2010 | Harley-Davidson | CVO Ultra Classic Electra Glide FLHTCUSE5 |
| 2010-2016 | Harley-Davidson | Electra Glide Ultra Limited FLHTK |
| 2010-2012 | Harley-Davidson | Softail Standard FXSTI |
| 2011-2013 | Harley-Davidson | Blackline FXS |
| 2011,2015-2016 | Harley-Davidson | CVO Road Glide Ultra FLTRUSE |
| 2011 | Harley-Davidson | CVO Softail Convertible FLSTSE2 |
| 2011 | Harley-Davidson | CVO Street Glide FLHXSE2 |
| 2011 | Harley-Davidson | CVO Ultra Classic Electra Glide FLHTCUSE6 |
| 2011-2013,2015-2016 | Harley-Davidson | Road Glide FLTRX/FLTRXS |
| 2011-2013,2016 | Harley-Davidson | Road Glide Ultra FLTRU |
| 2012 | Harley-Davidson | CVO Road Glide FLTRXSE |
| 2012 | Harley-Davidson | CVO Softail Convertible FLSTSE3 |
| 2012 | Harley-Davidson | CVO Street Glide FLHXSE3 |
| 2012 | Harley-Davidson | CVO Ultra Classic Electra Glide FLHTCUSE7 |
| 2012-2017 | Harley-Davidson | Softail Slim FLS |
| 2012-2016 | Harley-Davidson | Switchback FLD |
| 2013-2017 | Harley-Davidson | Breakout FXSB |
| 2013-2014 | Harley-Davidson | CVO Breakout FXSBSE |
| 2013 | Harley-Davidson | CVO Road Glide FLTRXSE2 |
| 2013 | Harley-Davidson | CVO Road King FLHRSE5 |
| 2013 | Harley-Davidson | CVO Ultra Classic Electra Glide FLHTCUSE8 |
| 2014-2016 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE |
| 2014 | Harley-Davidson | CVO Road King FLHRSE |
| 2014-2015 | Harley-Davidson | CVO Softail Deluxe FLSTNSE |
| 2014-2016 | Harley-Davidson | Electra Glide Ultra Classic Low FLHTCUL |
| 2015-2016 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL |
| 2016-2017 | Harley-Davidson | CVO Pro Street Breakout FXSE |
| 2016-2017 | Harley-Davidson | Low Rider S FXDLS |
| 2016-2017 | Harley-Davidson | Softail Fat Boy S FLSTFBS |
| 2016-2017 | Harley-Davidson | Softail Slim S FLSS |
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.Product Description
Features
- Designed for 88/96/103/110 cubic-inch engines with compression ratios from 10.0:1 to 10.5:1
- Reverses the rear cam's direction of rotation, providing additional operating clearance between cam lobes making higher cam lifts possible
- Increases valve timing accuracy by eliminating chain lash and loosely fit stock chain drive
- Material must be removed from inner surface of the stock gear cover to install
- 3500-6000 rpm for 88" to 103" engines and 2500-5500 rpm for larger engines
- A hydraulic press and other professional level tool are required for installation
- S&S recommends that adjustable pushrod/cover get be used
- Cam bearings and gaskets must be replaced when installing new cams
- Kit includes camshafts, inner gears, outer gears, inner bearings, outer bearings, gasket and instructions
- Installer must check coil bind, valve to valve clearance and valve to piston clearance.
- Due to the inherent characteristics of gear drives, more valve train noise may occur.
- Made in the USA
Specs
| Product Name | Camshaft Kit |
| Type | Gear |
| Application | Exhaust / Intake |
| Grind | 585 Series |
| Intake Lift at TDC | 0.186" |
| Intake Open | 20° |
| Intake Lift | 0.585" |
| Intake Duration | 245° |
| Intake Lobe Centerline | 102.5° |
| Intake Close | 45° |
| Exhaust Lift | 0.585" |
| Exhaust Duration | 260° |
| Exhaust Lobe Centerline | 110° |
| Exhaust Lift at TDC | 0.179" |
| Exhaust Open | 60° |
| Exhaust Close | 20° |
| Units | Kit |
| Riding Style | Street |
| 2006-2009,2014-2017 | Harley-Davidson | Dyna Low Rider FXDL |
| 2006 | Harley-Davidson | Dyna Low Rider FXDLI |
| 2006-2008,2010-2017 | Harley-Davidson | Dyna Wide Glide FXDWG |
| 2006 | Harley-Davidson | Dyna Wide Glide FXDWGI |
| 2006-2017 | Harley-Davidson | Street Bob FXDB |
| 2006 | Harley-Davidson | Super Glide Custom FXDCI |
| 2006-2010 | Harley-Davidson | Super Glide FXD |
| 2006 | Harley-Davidson | Super Glide FXD35 |
| 2006 | Harley-Davidson | Super Glide FXDI |
| 2007-2013 | Harley-Davidson | Electra Glide Classic FLHTC |
| 2007-2016 | Harley-Davidson | Electra Glide Police FLHTPI |
| 2007-2009 | Harley-Davidson | Electra Glide Standard FLHT |
| 2007-2016 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU |
| 2007-2010,2016 | Harley-Davidson | Road Glide FLTR |
| 2007 | Harley-Davidson | Road King Custom FLHRS |
| 2007-2016 | Harley-Davidson | Road King FLHR/FLHRC |
| 2007 | Harley-Davidson | Screamin' Eagle Dyna FXDSE |
| 2007 | Harley-Davidson | Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE2 |
| 2007 | Harley-Davidson | Screamin' Eagle Road King FLHRSE3 |
| 2007 | Harley-Davidson | Screamin' Eagle Softail Springer FXSTSSE |
| 2007-2010 | Harley-Davidson | Softail Custom FXSTC |
| 2007-2017 | Harley-Davidson | Softail Deluxe FLSTN |
| 2007 | Harley-Davidson | Softail Deuce FXSTD |
| 2007-2017 | Harley-Davidson | Softail Fat Boy FLSTF |
| 2007-2017 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 2007-2009 | Harley-Davidson | Softail Night Train FXSTB |
| 2007-2011 | Harley-Davidson | Softail Rocker C FXCWC |
| 2007-2010 | Harley-Davidson | Softail Rocker FXCW |
| 2007 | Harley-Davidson | Softail Springer Classic FLSTSC |
| 2007-2009 | Harley-Davidson | Softail Standard FXST |
| 2007-2016 | Harley-Davidson | Street Glide FLHX/FLHXS |
| 2007-2014 | Harley-Davidson | Super Glide Custom FXDC |
| 2008-2017 | Harley-Davidson | Fat Bob FXDF |
| 2008 | Harley-Davidson | Screamin' Eagle Dyna FXDSE2 |
| 2008 | Harley-Davidson | Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE3 |
| 2008 | Harley-Davidson | Screamin' Eagle Road King FLHRSE4 |
| 2008 | Harley-Davidson | Screamin' Eagle Softail Springer FXSTSSE2 |
| 2008-2011 | Harley-Davidson | Softail Cross Bones FLSTSB |
| 2009 | Harley-Davidson | CVO Fat Bob FXDFSE |
| 2009 | Harley-Davidson | CVO Road Glide FLTRSE3 |
| 2009 | Harley-Davidson | CVO Softail Springer FXSTSSE3 |
| 2009 | Harley-Davidson | CVO Ultra Classic Electra Glide FLHTCUSE4 |
| 2009-2017 | Harley-Davidson | Softail Fat Boy Lo FLSTFB |
| 2010 | Harley-Davidson | CVO Fat Bob FXDFSE2 |
| 2010 | Harley-Davidson | CVO Softail Convertible FLSTSE |
| 2010,2015-2016 | Harley-Davidson | CVO Street Glide FLHXSE |
| 2010 | Harley-Davidson | CVO Ultra Classic Electra Glide FLHTCUSE5 |
| 2010-2016 | Harley-Davidson | Electra Glide Ultra Limited FLHTK |
| 2010-2012 | Harley-Davidson | Softail Standard FXSTI |
| 2011-2013 | Harley-Davidson | Blackline FXS |
| 2011,2015-2016 | Harley-Davidson | CVO Road Glide Ultra FLTRUSE |
| 2011 | Harley-Davidson | CVO Softail Convertible FLSTSE2 |
| 2011 | Harley-Davidson | CVO Street Glide FLHXSE2 |
| 2011 | Harley-Davidson | CVO Ultra Classic Electra Glide FLHTCUSE6 |
| 2011-2013,2015-2016 | Harley-Davidson | Road Glide FLTRX/FLTRXS |
| 2011-2013,2016 | Harley-Davidson | Road Glide Ultra FLTRU |
| 2012 | Harley-Davidson | CVO Road Glide FLTRXSE |
| 2012 | Harley-Davidson | CVO Softail Convertible FLSTSE3 |
| 2012 | Harley-Davidson | CVO Street Glide FLHXSE3 |
| 2012 | Harley-Davidson | CVO Ultra Classic Electra Glide FLHTCUSE7 |
| 2012-2017 | Harley-Davidson | Softail Slim FLS |
| 2012-2016 | Harley-Davidson | Switchback FLD |
| 2013-2017 | Harley-Davidson | Breakout FXSB |
| 2013-2014 | Harley-Davidson | CVO Breakout FXSBSE |
| 2013 | Harley-Davidson | CVO Road Glide FLTRXSE2 |
| 2013 | Harley-Davidson | CVO Road King FLHRSE5 |
| 2013 | Harley-Davidson | CVO Ultra Classic Electra Glide FLHTCUSE8 |
| 2014-2016 | Harley-Davidson | CVO Electra Glide Ultra Limited FLHTKSE |
| 2014 | Harley-Davidson | CVO Road King FLHRSE |
| 2014-2015 | Harley-Davidson | CVO Softail Deluxe FLSTNSE |
| 2014-2016 | Harley-Davidson | Electra Glide Ultra Classic Low FLHTCUL |
| 2015-2016 | Harley-Davidson | Electra Glide Ultra Limited Low FLHTKL |
| 2016-2017 | Harley-Davidson | CVO Pro Street Breakout FXSE |
| 2016-2017 | Harley-Davidson | Low Rider S FXDLS |
| 2016-2017 | Harley-Davidson | Softail Fat Boy S FLSTFBS |
| 2016-2017 | Harley-Davidson | Softail Slim S FLSS |
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.Part Numbers
| Store SKU | MFR. Product # | Availability |
|---|---|---|
| 0925-0158 | 33-5268 | In Stock |
Fitment
This product is vehicle specific.
Select your vehicle to confirm fitment.
This Product Fits
Fitment Disclosure
This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.