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thus is emissions and track legal
Note: Must have coolant port in cylinder head for throttle body cooling lines
more TORQUE and more POWER
S50 B30 US Spec
BMW M40 / M42 / M43 / M44 Connecting Rod Bolts by ARP Cometic thus is emissions and trackBolster your BMW M40 M42 M43 M44 rods with ARP Connecting Rod Boltsthe ultimate choice for strength, reliability, and high performance durability. Crafted in the USA by Automotive Racing Products (ARP), these bolts are engineered to surpass OEM rod bolts, making them essential for demanding applications. Perfect for rebuilds or performance engine preparation, ARP rod bolts deliver confidence under extreme conditions. Manufactured from premium
