BMW / Toyota B58 Valves by Ferrea

Ferrea Competition Plus Valves are trusted as one of the most dependable extreme duty valve kits available. Specifically designed for the B58 engine, which powers vehicles like the BMW 340i, 440i, M240i, Z4, Toyota Supra, and more, these high-performance valves are built from aerospace-grade alloys, including EV8-Z18, for superior tensile strength and durability. Ferrea's exclusive two-step slow forging process optimizes grain flow, reducing material stress and enhancing the valves' ability to endure extreme conditions. A rigorous 48-hour heat treatment and stress-relief process guarantees the valves' molecular integrity, ensuring reliability under the most demanding environments. Finally, each valve is coated with avionics-grade hard chrome plating and features a specially hardened tip for extended lifespan. Upgrade your B58 engine with the Ferrea Valve Kit to experience enhanced tensile strength, improved heat resistance, and exceptional durability—perfect for high-performance builds and motorsport applications where reliability is key. Key Features: Aerospace-grade alloy construction for ultimate strength. Slow forging process for optimized grain structure. Avionics-grade hard chrome plating for superior wear and heat resistance. Factory Valve Size is 30.1mm Intake / 28.5mm Exhaust Selecting the oversize valve option requires the installation of copper valve seats for proper fitment and sealing, available here. Triple Groove Valve Design Will work with factory valve locks " Valve Keepers" Kit Contents: 12x Intake Valves 12x Exhaust Valves BMW B58 Gen 1 Applications: 1 Series 2016-2019 F20/F21 M140i 2 Series 2016-2019 F22/F23 M240i 3 Series 2015-2019 F30/F31 340i / 340i xDrive2016-2019 F34 340i GT / 340i GT xDrive 4 Series 2016-2020 F32/F33/F36 440i / 440i xDrive 5 Series 2016-2019 G30/G31 540i / 540i xDrive 6 Series 2017-2019 G32 640i GT / 640i GT xDrive 7 Series 2015-2019 G11/G12 740i / 740i xDrive X3 Series 2017-2019 G01 X3 M40i X4 Series 2018-2019 G02 X4 M40i BMW B58 Gen 2 Applications: 3 Series 2019-Present G20/G21 M340i / M340i xDrive 4 Series 2020-Present G22/G23/G26 M440i / M440i xDrive Z Series 2019-Present G29 Z4 M40i 5 Series 2020-Present G30/G31 LCI 540i / 540i xDrive 6 Series 2020-Present G32 LCI 640i GT / GT 640i xDrive 7 Series 2019-Present G11/G12 LCI 740i / 740i xDrive X3 Series 2020-Present G01 X3 M40i X4 Series 2020-Present G02 X4 M40i X5 Series 2018-Present G05 X5 xDrive40i X6 Series 2019-Present G06 X6 xDrive40i X7 Series 2018-Present G07 X7 xDrive40i ALPINA B58 Gen 2 Applications: B3 Series 2020-Present G20/G21 B3 B4 Series 2022-Present G22 B4 B5 Series 2020-Present G30 B5 XB7 Series 2020-Present G07 XB7 Toyota B58 Gen 2 Applications: A90 / A91 Supra 2020-Present GR Supra 3.0 2020-Present GR Supra 3.0 Premium 2021-Present GR Supra 3.0 A91 Edition