What does a rocker cover gasket do?

A rocker cover gasket seals the rocker box to the cylinder head. Its main job is to prevent oil from leaking out of the engine's top end and to keep dirt and debris from entering the valve train area.

What years does this gasket fit?

This specific rocker cover gasket is designed for S&S Cycle Big Twin models from 1966 through 1984.

Is this gasket sold individually?

Yes, this product is a single rocker cover gasket for the specified Big Twin models.

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Trusted Since 1957

Est. 1957

Specifications

Brand: S&S Cycle
Part #: 90-4040
UPC: 90-4040

S&S Cycle 66-84 BT Rocker Cover Gasket

Name: S&S Cycle 66-84 BT Rocker Cover Gasket
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-66-84-bt-rocker-cover-gasket-t14-662387
Price: 14.09 USD
Availability: BackOrder

$14.09

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 1966-1984 Big Twin models.
Rocker cover gasket for S&S Cycle engines.
Helps seal the rocker boxes to prevent oil leaks.

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About this part

Product Details

S&S Cycle is well-known for making performance engine parts for Harley-Davidson motorcycles. This rocker cover gasket is designed for their 1966 through 1984 Big Twin models.

A good rocker cover gasket is important for sealing the top end of your engine. It keeps oil from leaking out around the rocker boxes and also helps prevent dirt and debris from getting into the valve train. This gasket is made to fit the specific contours of the 66-84 Big Twin rocker covers, ensuring a solid seal when installed correctly.