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The Supertech beehive valve spring kit for BMW B58 is a matched kit of springs specifying a set pressure of 84 at 37mm, providing a documented spring-pressure reference for installers. Supplied as a complete kit for B58 cylinder heads, it supports correct spring fitment and helps ensure consistent valve-train behavior across the head during rebuilds or performance servicing.
Supertech BMW B58 Beehive Valve Spring Kit (Set Pressure 84 at 37mm)
