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This ARP Main Stud Kit is designed to replace BMW 11111735525 for the S14 B20
It's an ideal choice for individuals who want to push the limits of their B58 builds and require a stronger head stud
F12 / F13 650i
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BMW M30 Cut Ring Head Gasket by Athena-SCE 11347572451 This ARP Main Stud KitThis Athena Cut Ring Head Gasket is specifically engineered to replace BMW part # 11121730226 and 11121730227 for the M30B30, M30B34, and M30B35. Factory OEM & MLS head gaskets are only engineered to handle a limited amount of cylinder pressures before they start to leak, causing a range of issues, including engine overheating, loss of power, misfires, and in severe cases, catastrophic engine failure. Athena SCE Cut Ring Head Gaskets are uniquely
