To ensure maximum sealing under all conditions

For those pushing their M20 engines on the track or in rally stages

making them a top-tier choice for engine builders and performance enthusiasts

NEW OEM BMW crankshaft for the V10 engines

BMW N52 / N54 Cut Ring Head Gasket by Athena-SCE M54 Turbo To ensure maximum sealing underThis Athena Cut Ring Head Gasket is specifically engineered to replace BMW part numbers 11127557265 and 11127557266 for the N52 and N54. 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 designed to