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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
our Rottler CNC machine precisely cuts and reshapes the combustion chambers to the desired specifications
these springs are designed to reduce valve float
1996-1999 E36 M3
Available in both naturally aspirated (CA18S) and turbocharged (CA18DET) variants
B58 Valve Guides JE Head Gasket our Rottler CNC machine preciselyOur HD bronze valve guides for the BMW B58 engine are engineered for high performance, high boost applications where OEM materials reach their limits. These guides replace the factory BMW valve guides in the cylinder head (intake and exhaust assemblies). Built to withstand elevated temperatures, increased valve spring pressures, and sustained high RPM operation, they deliver exceptional stability and durability under demanding conditions. Machined
