S&S Cycle 2017 M8 Models Big Bore Top End Guardian Kit

Building your M8 for big power? S&S has the parts you need to bulletproof the top end of your valvetrain in one convenient kit! S&S performance parts are direct replacement for OEM pieces, but are stronger and more durable, giving your M8 the reliability it needs as you build big HP and Torque numbers. Rocker Arm shafts, Rocker Arm Stud Kit, Head Bolt Kit and Performance Roller Rocker Arms are included in this kit that is the perfect topper for your high performance M8 build.

• Head Bolt Kit - Heat Treated 8640 Steel, 200,000 psi Ultimate Tensile Strength, 14 percent increases in strength over stock
• Forged Roller Rocker Arms - Forged from 8620 steel for greater strength, designed using Finite Element Analysis (FEA)
• Rocker Arm Shafts - Replace broken or worn OEM pieces with stronger, more durable S&S performance parts
• Rocker Arm Stud Kit - Extend the life of your cylinder heads

Fitment:
2017 Harley Davidson FLHR Road King Base
2017 Harley Davidson FLHRXS Road King Special Base
2017 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
2017 Harley Davidson FLHTK Ultra Limited Base
2017 Harley Davidson FLHTKL Ultra Limited Low Base
2017 Harley Davidson FLHTKSE CVO Limited Base
2017 Harley Davidson FLHX Street Glide Base
2017 Harley Davidson FLHXS Street Glide Special Base
2017 Harley Davidson FLHXSE CVO Street Glide Base
2017 Harley Davidson FLRT Freewheeler Base
2017 Harley Davidson FLTRU Road Glide Ultra Base
2017 Harley Davidson FLTRX Road Glide Base
2017 Harley Davidson FLTRXS Road Glide Special Base
2018 Harley Davidson FLDE Deluxe 107 Base
2018 Harley Davidson FLFBS Fat Boy 114 Base
2018 Harley Davidson FLHCS Heritage Classic 114 Base
2018 Harley Davidson FLHR Road King Base
2018 Harley Davidson FLHRXS Road King Special Base
2018 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
2018 Harley Davidson FLHTK Ultra Limited Base
2018 Harley Davidson FLHTKL Ultra Limited Low Base
2018 Harley Davidson FLHTKSE CVO Limited Base
2018 Harley Davidson FLHX Street Glide Base
2018 Harley Davidson FLHXS Street Glide Special Base
2018 Harley Davidson FLHXSE CVO Street Glide Base
2018 Harley Davidson FLRT Freewheeler Base
2018 Harley Davidson FLTRU Road Glide Ultra Base
2018 Harley Davidson FLTRX Road Glide Base
2018 Harley Davidson FLTRXS Road Glide Special Base
2018 Harley Davidson FXBRS Breakout 114 Base
2018 Harley Davidson FXFBS Fat Bob 114 Base
2019 Harley Davidson FLDE Deluxe 107 Base
2019 Harley Davidson FLFBS Fat Boy 114 Base
2019 Harley Davidson FLHCS Heritage Classic 114 Base
2019 Harley Davidson FLHR Road King Base
2019 Harley Davidson FLHRXS Road King Special Base
2019 Harley Davidson FLHT Electra Glide Standard Base
2019 Harley Davidson FLHTCU Electra Glide Ultra Classic Base
2019 Harley Davidson FLHTK Ultra Limited Base
2019 Harley Davidson FLHTKL Ultra Limited Low Base
2019 Harley Davidson FLHTKSE CVO Limited Base
2019 Harley Davidson FLHX Street Glide Base
2019 Harley Davidson FLHXS Street Glide Special Base
2019 Harley Davidson FLHXSE CVO Street Glide Base
2019 Harley Davidson FLRT Freewheeler Base
2019 Harley Davidson FLTRU Road Glide Ultra Base
2019 Harley Davidson FLTRX Road Glide Base
2019 Harley Davidson FLTRXS Road Glide Special Base
2019 Harley Davidson FXBRS Breakout 114 Base
2019 Harley Davidson FXDRS FXDR 114 Base
2019 Harley Davidson FXFBS Fat Bob 114 Base
2020 Harley Davidson FLDE Deluxe 107 Base
2020 Harley Davidson FLFBS Fat Boy 114 Base
2020 Harley Davidson FLHCS Heritage Classic 114 Base
2020 Harley Davidson FLHR Road King Base
2020 Harley Davidson FLHRXS Road King Special Base
2020 Harley Davidson FLHT Electra Glide Standard Base
2020 Harley Davidson FLHTCUTGSE CVO Tri Glide Base
2020 Harley Davidson FLHTK Ultra Limited Base
2020 Harley Davidson FLHTKSE CVO Limited Base
2020 Harley Davidson FLHX Street Glide Base
2020 Harley Davidson FLHXS Street Glide Special Base
2020 Harley Davidson FLHXSE CVO Street Glide Base
2020 Harley Davidson FLRT Freewheeler Base
2020 Harley Davidson FLTRK Road Glide Limited Base
2020 Harley Davidson FLTRX Road Glide Base
2020 Harley Davidson FLTRXS Road Glide Special Base
2020 Harley Davidson FXBRS Breakout 114 Base
2020 Harley Davidson FXDRS FXDR 114 Base
2020 Harley Davidson FXFBS Fat Bob 114 Base
2020 Harley Davidson FXLRS Low Rider S 114 Base
2021 Harley Davidson FLFBS Fat Boy 114 Base
2021 Harley Davidson FLHCS Heritage Classic 114 Base
2021 Harley Davidson FLHR Road King Base
2021 Harley Davidson FLHRXS Road King Special Base
2021 Harley Davidson FLHT Electra Glide Standard Base
2021 Harley Davidson FLHTCUTGSE CVO Tri Glide Base
2021 Harley Davidson FLHTK Ultra Limited Base
2021 Harley Davidson FLHTKSE CVO Limited Base
2021 Harley Davidson FLHX Street Glide Base
2021 Harley Davidson FLHXS Street Glide Special Base
2021 Harley Davidson FLHXSE CVO Street Glide Base
2021 Harley Davidson FLRT Freewheeler Base
2021 Harley Davidson FLTRK Road Glide Limited Base
2021 Harley Davidson FLTRX Road Glide Base
2021 Harley Davidson FLTRXS Road Glide Special Base
2021 Harley Davidson FXFBS Fat Bob 114 Base

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Regular Stock: t
Units Per Sku: 1