What is the purpose of a piston ring?

Piston rings have a few key jobs. They seal the combustion chamber to maintain compression, transfer heat from the piston to the cylinder wall, and regulate oil consumption by scraping excess oil from the cylinder walls.

What does '1.5,3mm STL TOP' mean for these rings?

This refers to the dimensions and material of the rings. '1.5mm' is the thickness of the top compression ring, '3mm' is the thickness of the second ring, and 'STL TOP' indicates that the top ring is made of steel.

Specifications

Brand: Manley Performance
Part #: 46366ST-8
UPC: 807298082769

Manley Piston Ring, RING-4.185 1.5,3mm STL TOP

Name: Manley Piston Ring, RING-4.185 1.5,3mm STL TOP
Brand: Manley Performance
SKU: manley-performance-manley-piston-ring-ring-4-185-1-5-3mm-stl-top-t14-881570
Price: 451.39 USD
Availability: BackOrder

$451.39

On Backorder

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

Manley Performance piston ring set. For engine rebuilds needing a solid top ring.

Key Features

This is a Manley Performance piston ring set.
Features a 1.5mm top ring and a 3mm second ring.
The top ring is constructed from steel for added strength.
Designed for engine rebuilds and performance applications.
Not CARB approved; cannot ship to California.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

If you're rebuilding the engine in your performance vehicle and need a reliable set of piston rings, this Manley Performance set is a solid option. These rings are designed to seal the combustion chamber effectively, ensuring optimal compression and preventing blow-by. They are a crucial component for any engine that's being refreshed or built for increased power.

This particular set features a 1.5mm top ring and a 3mm second ring, with a steel top ring for improved durability under higher cylinder pressures. Manley is known for making well-built internal engine components, and these rings are no exception. They are made to handle the demands of performance applications, helping to maintain engine health and power output over time. When installing, pay close attention to the ring gap specifications for your specific application to ensure proper sealing and longevity.

It's important to note that these rings are not CARB approved and cannot be shipped to California. Always refer to your vehicle's service manual for the correct installation procedures and specifications.