What is the main benefit of using these S&S Cycle rocker arm shafts?

These shafts are stronger and more durable than stock components. They are designed to help increase the longevity of your valvetrain, especially when using performance cams with higher lift.

Are these shafts compatible with all M8 engines?

This set is specifically designed for 2017 and newer M8 Harley-Davidson models. They are particularly beneficial for engines using cams with greater than .550 inch lift.

Do these rocker arm shafts come with any hardware or seals?

This set includes the rocker arm shafts. It is recommended to refer to the manufacturer's installation instructions for a complete list of required components and any additional hardware or seals needed for installation.

S&S Cycle Rocker Arm Shaft Set 900-1090 - M8 Models

Name: S&S Cycle 2017+ M8 Models Rocker Arm Shaft Set
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-2017-m8-models-rocker-arm-shaft-set-t14-619263
Price: 181.84 USD
Availability: InStock

S&S Cycle 2017+ M8 Models Rocker Arm Shaft Set

$181.84

Only 8 left in stock

S&S Cycle 2017+ M8 Models Rocker Arm Shaft Set. Replaces broken OEM parts with stronger, more durable shafts for increased valvetrain longevity.

Key Features

Fits 2017 and newer Harley-Davidson M8 models.
Stronger and more durable than stock rocker arm shafts.
Designed for cams with greater than .550 inch lift.
Hardened and surface ground for precision and durability.
Direct replacement for stock rocker arm shafts.
Helps increase the longevity of valvetrain components.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

S&S Cycle is known for building stronger, more durable engine components that help riders get the most out of their machines. If you're working on a 2017 or newer Harley-Davidson M8 model, especially one with cams over .550 inch lift, this Rocker Arm Shaft Set is designed to improve the longevity of your valvetrain. These shafts are engineered to be stronger and more durable than stock, helping to prevent breakage and wear.

These shafts are hardened and surface ground for precision and durability, ensuring they can handle the demands of performance cams. They are a direct replacement for your original parts, making installation straightforward. By upgrading to these S&S Cycle shafts, you're investing in the reliability of your engine's top end, especially when pushing your M8 beyond its original specifications.

This set fits a wide range of M8 Harley-Davidson models, including the Road King, Street Glide, and Fat Boy. It's a solid option for anyone rebuilding their top end or looking to add more aggressive cams to their 2017+ M8 motorcycle.