S54 ARP 625+ Custom Age Head Studs SC7298 especially in high-stress applications like

especially in high-stress applications like forced induction and racing

Provides 3x greater film strength than conventional black Molybdenum Disulfide greases

ARP Part numbers: 201-4702

this aluminum radiator includes the Mishimoto Lifetime Warranty

are engineered for extreme performance in BMW N55 engines with 144

S54 ARP 625+ Custom Age Head Studs SC7298 especially in high-stress applications likeTurn 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