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

2025-09-08T15:44:53-06:00

Vendor: S&S Cycle
Type: Heads
Price: 917.95

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.

This Part Fits:

Year | Make | Model | Submodel
2018-2021 | Harley-Davidson | FLFBS Fat Boy 114 | Base
2018-2021 | Harley-Davidson | FLHCS Heritage Classic 114 | Base
2017-2021 | Harley-Davidson | FLHR Road King | Base
2017-2021 | Harley-Davidson | FLHRXS Road King Special | Base
2019-2021 | Harley-Davidson | FLHT Electra Glide Standard | Base
2017-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | Base
2020-2021 | Harley-Davidson | FLHTCUTGSE CVO Tri Glide | Base
2017-2021 | Harley-Davidson | FLHTK Ultra Limited | Base
2017-2019 | Harley-Davidson | FLHTKL Ultra Limited Low | Base
2017-2021 | Harley-Davidson | FLHTKSE CVO Limited | Base
2017-2021 | Harley-Davidson | FLHX Street Glide | Base
2017-2021 | Harley-Davidson | FLHXS Street Glide Special | Base
2017-2021 | Harley-Davidson | FLHXSE CVO Street Glide | Base
2017-2021 | Harley-Davidson | FLRT Freewheeler | Base
2020-2021 | Harley-Davidson | FLTRK Road Glide Limited | Base
2017-2019 | Harley-Davidson | FLTRU Road Glide Ultra | Base
2017-2021 | Harley-Davidson | FLTRX Road Glide | Base
2017-2021 | Harley-Davidson | FLTRXS Road Glide Special | Base
2018-2020 | Harley-Davidson | FXBRS Breakout 114 | Base
2019-2020 | Harley-Davidson | FXDRS FXDR 114 | Base
2018-2021 | Harley-Davidson | FXFBS Fat Bob 114 | Base