What is the bore size for these piston rings?

These Manley Performance piston rings are designed for a 94.35mm bore size. This measurement is critical for ensuring a proper seal within the cylinder.

Are these piston rings CARB approved?

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

What is the purpose of the different ring sizes?

The top and second rings (1.2mm each) are primarily responsible for sealing combustion pressure. The wider 3.0mm oil ring scrapes excess oil from the cylinder walls, preventing it from entering the combustion chamber.

Specifications

Brand: Manley Performance
Part #: 46943-8
UPC: 807298117263

Manley Piston Ring, RING-94.35mm 1.2mm,1.2mm,3.0mm

Name: Manley Piston Ring, RING-94.35mm 1.2mm,1.2mm,3.0mm
Brand: Manley Performance
SKU: manley-performance-manley-piston-ring-ring-94-35mm-1-2mm-1-2mm-3-0mm-t14-881470
Price: 368.01 USD
Availability: BackOrder

$368.01

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. These 1.2mm, 1.2mm, 3.0mm rings are built for engine rebuilds.

Key Features

Fits 94.35mm bore size.
Top ring measures 1.2mm.
Second ring measures 1.2mm.
Oil ring measures 3.0mm.
Manley Performance brand.
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

These Manley Performance piston rings feature a 1.2mm top ring, a 1.2mm second ring, and a 3.0mm oil ring. This specific sizing is often chosen when rebuilding an engine to ensure a proper seal between the piston and cylinder wall. A good seal is critical for maintaining compression, controlling oil consumption, and getting the most power out of your engine.

Manley Performance is known for making well-built internal engine components. These rings are designed to handle the demands of an engine rebuild, providing a solid foundation for your new or refreshed engine. Proper installation is key to their performance; ensure your cylinder walls are honed correctly and the rings are seated properly during break-in to achieve optimal results.