What is a rocker box?

A rocker box, also known as a rocker arm cover, encloses the rocker arms and valve springs at the top of the engine cylinder. It helps to seal the valvetrain and lubricate the components within.

What does 'Big Twin' refer to?

'Big Twin' is a common term used to describe Harley-Davidson's larger displacement V-twin motorcycle engines, typically those found in their touring and cruiser models.

Does this rocker box come with gaskets?

This product listing is for the rocker box casting itself. It is recommended to check the manufacturer's specifications or contact S&S Cycle directly to confirm if gaskets are included or if they need to be purchased separately.

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Trusted Since 1957

Est. 1957

Specifications

Brand: S&S Cycle
Part #: 900-0913
UPC: 900-0913

S&S Cycle 1984+ BT Casting Rocker Box - Gloss Black

Name: S&S Cycle 1984+ BT Casting Rocker Box - Gloss Black
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-1984-bt-casting-rocker-box-gloss-black-t14-664546
Price: 144.45 USD
Availability: BackOrder

$144.45

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 and later Big Twin Harley-Davidson engines.
Features a gloss black finish for a custom appearance.
Direct replacement rocker box.

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About this part

Product Details

S&S Cycle has been a well-known name in performance motorcycle parts for a long time, and this gloss black rocker box continues that tradition. This part is specifically cast for 1984 and later Big Twin Harley-Davidson engines.

The gloss black finish gives your engine a clean, custom look. It's a straightforward replacement or upgrade for your existing rocker box, helping to seal the top end of your engine.