CAT Cams helps drivers achieve consistent power gains and smoother performance

M50B25NV intake cam = 10 degrees retard (more top end

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

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

Multiple grinds available for street

BMW S58 Cut Ring Head Gasket by Athena-SCE Bore Size - Thickness:84 mm - 0.040" CAT Cams helps drivers achieveThis 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,