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The Supertech conical valve spring kit for BMW S63 V8 specifies inlet and exhaust rates and provides a drop-in spring solution for S63 engines. Designed as matched conical springs, the set supports valve control in high-revving applications where correct spring rates matter. These springs are supplied as a kit tailored to the S63 V8 family to assist engine builders and technicians replacing or upgrading valve train components.
Supertech BMW S63 V8 Conical Spring Kit - Rate 83lbs (Ex) 80lbs (In)
