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    Manley Performance

    Manley Performance

    Piston Ring Set - 92.0mm File Fit, 1.2mm x 1.2mm x 2.8mm

    Fits: 02-05 WRX / 04-21 STI

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    Auto Parts Store of the Year 2026

    Manley Performance Piston Ring Set - 92.0mm File Fit, 1.2mm x 1.2mm x 2.8mm
    Fits: 02-05 WRX / 04-21 STI

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    Fitment

    Please Note: 2002-2005 Subaru Impreza WRX (EJ205) and 2004-2021 Subaru Impreza WRX STI (EJ257) - Manley Performance Piston Ring Set, 92.0mm file fit, 1.2mm x 1.2mm x 2.8mm. Title year range corrected from [02-21 WRX] to [02-05 WRX] per manufacturer application data (EJ205). Manley part number 46920DT-4.
    • 2004–2021 Subaru | WRX STI
    • 2002–2005 Subaru | WRX

    Description

    Manley Performance piston rings are engineered to provide a dependable seal for performance engine builds. Part number MAN46920DT-4 is a file-fit ring set for Subaru EJ205 (2002-2005 WRX) and EJ257 (2004-2021 WRX STI) applications using 92.0mm bores. The set includes rings sized 1.2mm, 1.2mm, and 2.8mm and is supplied as a complete set for four pistons.

    The file-fit design allows ring end gaps to be tailored to the specific engine build and operating conditions. This set features a premium steel top ring with a Napier-style second ring and tabbed oil rails, suited to high-horsepower and forced-induction applications.

    • File-fit design allows ring end gaps to be tailored to the engine build
    • Premium steel top ring with Napier-style second ring and tabbed oil rails
    • 92.0mm bore; 1.2mm x 1.2mm x 2.8mm ring widths
    • Complete set for four pistons
    • For EJ205 (2002-2005 WRX) and EJ257 (2004-2021 WRX STI) applications
    • Manley part number 46920DT-4

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