What does 'Moly Faced' mean for these piston rings?

Moly Faced means the rings have a coating made of molybdenum. This coating helps them wear down slower, handle higher temperatures, and create a better seal against the cylinder wall.

What does the '.010in' size indicate?

The '.010in' indicates that these rings are 0.010 inches larger in diameter than standard size. This is typically used when the engine cylinder has been bored out by 0.010 inches during a rebuild to restore proper piston-to-wall clearance.

Can these rings be shipped to California?

No, these piston rings are not CARB approved and cannot be shipped to California.

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Specifications

Brand: S&S Cycle
Part #: 94-1201X
UPC: 94-1201X

S&S Cycle 66-84 BT 3-5/8in Piston Ring Set - .010in

Name: S&S Cycle 66-84 BT 3-5/8in Piston Ring Set - .010in
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-66-84-bt-3-5-8in-piston-ring-set-010in-t14-662348
Price: 55.53 USD
Availability: BackOrder

$55.53

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 Moly Faced Piston Ring Set - .010in. Offers improved wear resistance and sealing.

Key Features

This set includes Moly Faced piston rings.
The rings are coated with a molybdenum compound.
This coating offers improved wear resistance.
The coating also provides better heat tolerance.
These rings are designed for improved sealing capabilities.
The set is sized at .010 inch undersize.

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About this part

Product Details

This set includes Moly Faced piston rings for your Big Twin engine, sized at .010 inch undersize. These rings are coated with a molybdenum compound, which helps them resist wear better, handle more heat, and seal more effectively in the cylinder bore. This is a common size for engines that have been bored out slightly during a rebuild.

The moly coating is a practical touch that makes a difference over time. It helps the rings seat properly and maintain a good seal, which is key for engine performance and longevity. If you're rebuilding the top end of your engine, a well-matched set of rings like these is essential for getting the best results.