What does 'file-fit' mean for these piston rings?

File-fit means the ends of the piston rings are not pre-gapped. You will need to measure your cylinder bore and file the ring ends to achieve the correct gap specification for your engine build before installation.

How many pistons does this ring set cover?

This is a single ring set, meaning it includes the rings for one piston. You will need to purchase one set per piston in your engine.

Can this part be shipped to California?

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

Specifications

Brand: Manley Performance
Part #: 46925DT-1
UPC: 807298101187

Manley Ring Set EJ205 WRX / EJ257 WRX STi 92.5mm Bore File Fit - 1.2mm / 1.2mm / 2.8mm - Single

Name: Manley Ring Set EJ205 WRX / EJ257 WRX STi 92.5mm Bore File Fit - 1.2mm / 1.2mm / 2.8mm - Single
Brand: Manley Performance
SKU: manley-performance-manley-ring-set-ej205-wrx-ej257-wrx-sti-92-5mm-bore-file-fit--t14-329388
Price: 48.65 USD
Availability: BackOrder

$48.65

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 EJ205 and EJ257 engines. Features a 92.5mm bore and file-fit design for precise installation.

Key Features

This is a single piston ring set for one piston.
Designed for EJ205 and EJ257 engines.
Features a 92.5mm bore size.
File-fit design requires gapping for proper installation.
Top ring: 1.2mm, Second ring: 1.2mm, Oil control ring: 2.8mm.

⚠️ 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 single piston ring set from Manley Performance, designed for EJ205 and EJ257 engines. You get the rings needed for one piston, featuring a 92.5mm bore size and a file-fit design, meaning you'll need to gap them to your specific application. The ring dimensions are 1.2mm for the top ring, 1.2mm for the second ring, and 2.8mm for the oil control ring.

Manley is known for making well-built internal engine components, and this ring set is no exception. The file-fit nature allows for a custom fit, which is crucial for proper sealing and compression in performance applications. This is a popular choice when rebuilding or modifying these Subaru engines, ensuring a solid foundation for your build.

Keep in mind that this ring set is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's instructions for proper installation and gapping procedures.