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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
They are designed to replace BMW part #11241730420
Available with Hydrodynamic 360 thrust bearing system
which is stronger and more durable than the factory bolts
This kit is ideal for enthusiasts who want to achieve maximum power output without compromising engine stability
Must use aftermarket high flow plenum with a throttle body conversion
BMW B48 Valve Springs by SuperTech 1301108 They are designed to replaceSupertech 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
