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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
ensuring superior durability and performance
5150’s commitment to quality and performance makes these bearings the clear choice
Why Sleeve Your B48 Block
1988 - 1992 BMW E34 520i
00mm Exhaust Sport 274° Intake / 270° Exhaust 10
BMW B48 Valve guides 1301808 ensuring superior durability and performanceOur HD bronze valve guides for the BMW B48 engine are engineered for high performance and boosted applications where OEM materials fall short. These replace the factory BMW valve guides in the cylinder head (intake and exhaust guide assemblies). Built to handle increased temperatures, higher valve spring pressures, and sustained RPM, these guides provide improved stability and durability under demanding conditions. Machined from high quality bronze
