BMW M42 M44 Valve Set Stem Diameter:6 mm ARP Main Studs offer the

ARP Main Studs offer the following benefits:

The crossover fuel scavenged from the passive side of the tank from the venturi jet pump siphon is constantly filling the collector bowl

Customizable: Multiple piston and rod configurations for tailored builds

mitigating the risk of sudden failure in low oil pressure situations

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BMW M42 M44 Valve Set Stem Diameter:6 mm ARP Main Studs offer theThis race ready BMW M42 M44 Valve Set from Manley Performance is engineered for high demand builds. Designed with single groove stems and offered in 6 mm or 7 mm stem diameter, these stainless steel valves accommodate aggressive cams, forced induction, and sustained high RPM operation. Crafted from premium stainless steel alloys, the intake valves are polished, swirl machined and built to exacting tolerances; the exhaust valves are hardened for