Standard size. 30.1mm intake, 28.5mm exhaust.
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BMW G45 X3 M50 xDrive B58 3.0L Cylinder Head Exhaust Valves
Two required per valve, necessary for use with certain supertech valves
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High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
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B58B30 Applications Only
Two required per valve, necessary for use with certain supertech valves
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Oversize. 30.6mm intake, 29mm exhaust.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms