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

$937.95
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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
2018-2020 Harley-Davidson FLDE Deluxe 107 Base
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
2020 Harley-Davidson FXLRS Low Rider S 114 Base
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S&S Cycle 2017 M8 Models Big Bore Top End Guardian Kit
$937.95

Frequently Asked Questions

Please verify your vehicle’s make, model, year, and engine variant before purchasing. You can also check the OEM number or part number listed in the product description to ensure compatibility with your vehicle.
Yes, most parts come with a manufacturer warranty or seller warranty. Warranty details, if applicable, are mentioned in the product specifications section.
If you receive a damaged, defective, or incorrect item, please contact our support team within 48 hours of delivery with photos of the product and packaging. Our team will assist you with a replacement or return.
Yes, returns are accepted for unused products in their original packaging within the specified return period. Please ensure the part has not been installed or used.
Shipping times usually range between 2–7 business days, depending on your location and product availability.
Once your order is shipped, you will receive a tracking number via email or SMS, which you can use to track the delivery status.
Product images are for reference purposes only. The actual product may slightly vary depending on the manufacturer or batch, but the specifications will remain the same.
Yes, we accept bulk and wholesale orders. Please contact our support team for special pricing and availability.

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