Coolant Block Off Front [use factory bolt and O-Ring]

5150's coated bearings are designed to withstand extreme conditions

Horsepower: 550 - 900 HP

Avoid additional sealant

Correction factor for drivetrain loss is 15% above RWHP as seen in dynograph (RWHP/0

BMW S58 Cut Ring Head Gasket by Athena-SCE Bore Size - Thickness:84 mm - 0.040" Coolant Block Off Front [useThis Athena SCE is specifically engineered for use in S58 turbocharged inline 6 cylinder engines found in BMW G80 G81 G82 G83 G87 M2,M3,M4, X3M, and X4M. Replaces BMW Part # 11 12 8 088 729 11128088729 0. 039" = 1 mm 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,