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are engineered for extreme performance in BMW N55 engines with 144
By gradually increasing pipe diameters as the exhaust system moves away from the engine
ensuring optimal performance at high engine speeds
Why Choose
S54 ARP 625+ Custom Age Head Studs SC7298 are engineered for extreme performanceTurn up the BOOST! This ARP Custom Age 625+ Head Stud Kit is specifically designed for the BMW S54 engine, serving as a direct replacement for BMW OEM head bolts # 11127831862. We collaborated with ARP to engineer a kit with superior clamping force and enhanced head gasket sealing for boosted applications, eliminating risk of cylinder head lift. Custom Age 625+ studs are the ONLY choice for high performance builds, including stroker, supercharged, and
