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Ships within 48 hours · Estimated delivery Sep 27 - Oct 2
4x 9mm Head Studs
With avionics-quality hard chrome plating and a specially hardened tip
allowing for optimal valve operation
V-Band Clamp for Down Pipe
valve float
BMW S58 Valves by Ferrea Options:30.6mm Intake / 29mm Exhaust 4x 9mm Head StudsFerrea Competition Plus Valves are recognized for their extreme duty performance and industry leading reliability. Specifically designed for the BMW S58 engine, these valves are crafted from aerospace grade alloys like EV8 Z18, offering superior tensile strength and enhanced durability, making them perfect for high performance applications. Ferrea's two step slow forging process ensures optimal grain flow and minimizes internal stress, delivering
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