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BMW B48 Valve Springs by SuperTech Seat Pressure:84 lbs and performance enthusiasts aiming toSupertech Valve Springs for BMW Toyota Mini B48 engines are designed for those demanding peak performance and reliability. Built for high revving engines, these valve springs provide enhanced valve control, reducing the risk of valve float and ensuring optimal performance even under the most intense conditions. Supertech's reputation for precision engineering and high quality materials means their valve spring kits are a trusted choice for