Comp Cams CONICAL VALVESPRINGS,.650/.920 NGR Performance the Alpinestars KMX-5 v3 offers

the Alpinestars KMX-5 v3 offers the fit

Aluminum core construction - Efficient heat transfer with OEM-comparable durability

JDC Titanium VVT Actuator Hardware Kit is an easy way to add an additional titanium flair to your engine bay

and elegance that defines BMW excellence

Comp Cams CONICAL VALVESPRINGS,.650/.920 NGR Performance the Alpinestars KMX-5 v3 offersRevolutionary Advancement In High Performance Spring Technology Expected to become the new standard in high performance street and race valve spring design, COMP Cams Conical Valve Springs utilize round wire and feature a diameter and progressive pitch driven natural frequency. This design increases the valve train RPM limit while reducing resonance concerns and decreasing dynamic spring oscillations. The result is longer spring life and the ability