What does the '.020in' mean for this ring set?

The '.020in' indicates that these piston rings are 0.020 inches larger in diameter than the standard stock size. This means they are designed to be used in engines where the cylinders have been machined (bored) out to this specific larger dimension during an engine rebuild.

What year range are these S&S Cycle piston rings for?

These S&S Cycle piston rings are designed for applications from 1984 and newer. Always confirm fitment with your specific engine model and build plans.

Can this part be shipped to California?

No, this part is not CARB approved and cannot be shipped to California due to emissions regulations.

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Trusted Since 1957

Est. 1957

Specifications

Brand: S&S Cycle
Part #: 106-3976
UPC: 106-3976

S&S Cycle 1984+ 4-1/8in Ring Set - .020in

Name: S&S Cycle 1984+ 4-1/8in Ring Set - .020in
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-1984-4-1-8in-ring-set-020in-t14-661727
Price: 43.40 USD
Availability: BackOrder

$43.40

On Backorder

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

S&S Cycle 1984+ 4-1/8in Ring Set - .020in. For engine rebuilds needing a .020in undersize.

Key Features

Fits 1984 and newer applications.
Features a 4-1/8 inch bore size.
This is a .020 inch undersize ring set, intended for bored cylinders.
Manufactured by S&S Cycle.

This ring set is designed for 1984 and newer applications. It is specifically sized at .020 inch undersize, meaning it is intended for engines where the cylinders have been bored out to this dimension.

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About this part

Product Details

This is a 4-1/8 inch piston ring set from S&S Cycle, specifically sized at .020 inch undersize. These rings are intended for engine rebuilds on 1984 and newer applications where the cylinders have been bored out to accommodate this larger size.

Properly sized piston rings are crucial for sealing the combustion chamber, controlling oil consumption, and transferring heat from the piston to the cylinder wall. This set from S&S Cycle is built to meet the demands of performance engines, ensuring a solid seal and reliable operation after your engine work is complete. The .020 inch undersize means these are designed for cylinders that have been machined to a larger diameter than stock.