Manley Subaru WRX/STI (EJ20/EJ25) Valve Springs (1.126/.640) *ONE SPRING*16.35 subaru-wrx-2020 T3 4000 1-piece rotors are

T3 4000 1-piece rotors are designed in the precise size and shape of factory OEM parts for easy bolt-on replacement and proper operation

3" Aluminum MAF housing (Stock MAF option only)

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Manley Subaru WRX/STI (EJ20/EJ25) Valve Springs (1.126/.640) *ONE SPRING*16.35 subaru-wrx-2020 T3 4000 1-piece rotors are2002 2020 Subaru WRX WRX STi Valve Springs Single by Manley Performance Manley valve springs are wound from super clean alloy. Each design minimizes stress to ensure long service life with high lift camshafts. Features Wound from super clean alloy Benefits Designed to handle aftermarket camshafts Revs up to 10,000 RPM with Manley titanium retainers Please Note: The image provided is generic and may not be an accurate representation of the product you