What is the purpose of the coating on these piston rings?

The coating on these Manley piston rings is applied to reduce friction between the ring and the cylinder wall. This helps with initial break-in and also improves wear resistance over the life of the engine, contributing to longer component life and consistent performance.

What does the 1.0mm, 1.2mm, 2.0mm sizing refer to?

These numbers refer to the thickness of the individual rings. The 1.0mm is the top compression ring, the 1.2mm is the second compression ring, and the 2.0mm is the oil control ring. This specific combination is chosen for its balance of sealing and oil management.

Are these rings suitable for all engine builds?

These rings are designed for an 82.5mm bore and are often used in performance or rebuilt engines where precise sealing is critical. However, they are not CARB approved and cannot be shipped to California. Always confirm they meet your specific engine's requirements and local regulations.

Specifications

Brand: Manley Performance
Part #: 46846C-10
UPC: 807298118284

Manley Piston Ring, RING-82.5mm 1.0mm,1.2mm,2.0mm COATED

Name: Manley Piston Ring, RING-82.5mm 1.0mm,1.2mm,2.0mm COATED
Brand: Manley Performance
SKU: manley-performance-manley-piston-ring-ring-82-5mm-1-0mm-1-2mm-2-0mm-coated-t14-881320
Price: 831.83 USD
Availability: BackOrder

$831.83

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 82.5mm bore. Features 1.0mm, 1.2mm, and 2.0mm coated rings for improved engine sealing.

Key Features

Fits engines with an 82.5mm bore size.
Includes a 1.0mm top compression ring.
Includes a 1.2mm second compression ring.
Features a 2.0mm oil control ring.
Rings are coated to reduce friction and improve wear resistance.
Manley Performance is a popular brand for engine components.

This piston ring set is designed for an 82.5mm bore. Please verify compatibility with your specific engine build before purchase.

⚠️ 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

This is a Manley Performance piston ring set, specifically designed for an 82.5mm bore. These rings are a crucial part of your engine's internal workings, forming the seal between the piston and the cylinder wall. This seal is what keeps combustion pressure where it belongs, preventing blow-by and ensuring efficient power delivery, while also keeping oil out of the combustion chamber. When you're rebuilding or refreshing an engine, especially one that's seen a lot of miles or is being built for higher performance, new, well-made piston rings are essential for restoring compression and proper engine function.

What sets this Manley set apart is its construction and coating. The rings feature a specific thickness profile: a 1.0mm top ring, a 1.2mm second ring, and a 2.0mm oil control ring. This combination is often chosen for its balance of sealing performance and oil control. The coating on these rings is a key feature, designed to reduce friction and improve wear resistance, especially during the critical break-in period and throughout the engine's life. This can lead to a longer-lasting engine and more consistent performance over time. Manley is a well-known name in performance engine components, and this set reflects their focus on durable, effective parts for demanding builds.

When installing these rings, remember they are specific to the 82.5mm bore size. Proper installation is critical for their function and longevity. Ensure your pistons are clean and free of debris, and that the ring grooves are also clean and within spec. Always refer to the manufacturer's installation instructions for precise details on gapping and seating the rings. Please note that this part is not CARB approved and cannot be shipped to California. It also carries a Prop 65 warning.