Manley Performance

    Manley Performance

    99.50mm Standard Bore Piston Rings - 1.2mm, 1.2mm, 2.0mm Double Tabbed

    Fits: 04-21 WRX STI

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    Manley Performance 99.50mm Standard Bore Piston Rings - 1.2mm, 1.2mm, 2.0mm Double Tabbed
    Fits: 04-21 WRX STI

    Fitment

    Please Note: 2004-2021 Subaru Impreza WRX STI (EJ257) - Manley Performance Piston Rings, 99.50mm standard bore, 1.2mm x 1.2mm x 2.0mm double tabbed. Title year tag corrected from [04-? WRX STI] to [04-21 WRX STI] (feed artifact; 99.5mm is the EJ257 standard bore, 2004-2021). Manley part number 46995DT-4.
    • 2004–2021 Subaru | WRX STI

    Description

    Manley Performance piston rings are engineered to provide a dependable seal between the piston and cylinder wall for performance engine applications. Part number MAN46995DT-4 is designed for 2004-2021 Subaru WRX STI (EJ257) applications with a 99.50mm standard bore and includes a complete set of four double-tabbed piston rings.

    This Manley Performance ring set uses a conventional design intended to support reliable compression sealing and oil control when properly installed and file-fitted to the engine builder's specifications. Conventional sets feature high-performance ductile iron top rings with a plasma-moly inlay, along with performance-oriented second rings and three-piece oil rings.

    • 99.50mm standard bore for EJ257 (2004-2021 WRX STI) applications
    • 1.2mm top, 1.2mm second, and 2.0mm oil ring package with double tabs
    • Ductile iron top rings with plasma-moly inlay
    • Complete set of four piston rings
    • Manley part number 46995DT-4

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