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Engines and Components› Camshafts and Valvetrain

S&S Cycle

Rocker Arm Shaft Set

$179.95 $157.28 Save $22.67

SKU: S0GE 900-1090

In Stock
In Stock
Ships by Aug 30
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Overview

The S&S Cycle Rocker Arm Shaft Set is a direct replacement for OEM rocker shafts on Harley-Davidson Milwaukee-8 engines. Constructed from bearing quality steel with a precision centerless ground finish, these shafts are 66% stronger than stock.
Show original supplier description
The S&S Cycle Rocker Arm Shaft Set (900-1090) offers a significant upgrade for Harley-Davidson Milwaukee-8 engines. Manufactured in the U.S.A., these shafts are crafted from bearing quality steel and feature a precision centerless ground finish. They provide a 66% increase in strength over OEM specifications, making them essential for preventing damage when using radical cam profiles and enhancing the durability of your valvetrain components. These rocker arm shafts are designed as a direct replacement for stock Harley-Davidson rocker shafts on Milwaukee-8 engines. They are compatible with both stock and S&S rocker arms, offering a straightforward installation. The construction ensures OEM-equivalent specifications while delivering superior performance and reliability for your motorcycle's engine. This product is intended for 2017-up M8 models, providing a robust solution for riders seeking to improve the strength and longevity of their engine's valvetrain.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandS&S Cycle
Part NumberS0GE 900-1090
CategoryEngines and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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