What is the main purpose of a rocker arm support?

A rocker arm support's primary job is to keep the rocker arms properly aligned within the cylinder head. This alignment is essential for the rocker arms to function correctly, transferring motion from the pushrods to the valves.

What makes this S&S Cycle support a good choice for engine work?

This support is made by S&S Cycle, a well-known name in V-twin performance and parts. It's built to handle the demands of these engines and is designed as a direct fit, simplifying installation during a rebuild.

What other parts might I need when installing a rocker arm support?

When working on the rocker boxes, you'll typically need new rocker box gaskets, and it's a good time to inspect or replace pushrods, valve seals, and rocker arm bushings if they show wear.

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Est. 1957

Specifications

Brand: S&S Cycle
Part #: 90-4140
UPC: 90-4140

S&S Cycle 84-17 Rocker Arm Support

Name: S&S Cycle 84-17 Rocker Arm Support
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-84-17-rocker-arm-support-t14-664525
Price: 82.80 USD
Availability: BackOrder

$82.80

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Key Features

Fits 1984-2017 Harley-Davidson and similar V-twin engines.
Designed to securely hold rocker arms in place.
Ensures proper valve train alignment and operation.
Well-built from durable materials for engine conditions.
Direct replacement part for straightforward installation.

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About this part

Product Details

If you're rebuilding the top end of your 1984-2017 Harley-Davidson or similar V-twin engine, a solid rocker arm support is crucial for keeping everything aligned and running smoothly. This support from S&S Cycle is built to hold your rocker arms securely in place, ensuring proper valve train operation.

This rocker arm support is made from well-built materials designed to withstand the heat and vibration inherent in V-twin engines. It's a direct replacement part, meaning it's made to fit right into the factory location without modifications. Proper alignment of the rocker arms is key to preventing premature wear on the arms, valves, and guides, so a strong support is a smart choice for any engine work.