Brian Crower Spring & Retainer Kit for Nissan VQ35DE Single Spring Titanium

Brian Crower Spring & Retainer Kit for Nissan VQ35DE — Single Spring Titanium Brand: Brian Crower Upgrade valve control with the Brian Crower Single Spring & Titanium Retainer Kit engineered for the Nissan VQ35DE. Designed for high-revving performance, this kit delivers reliable spring pressure, reduced valvetrain mass, and improved throttle response for street, track, or tuned applications. Application: Nissan VQ35DE High-performance construction: premium valve springs and lightweight titanium retainers Benefits: higher RPM capability, reduced valve float, improved durability Ideal for: forced induction or naturally aspirated builds, aggressive camshafts, and racing use Brian Crower's precision manufacturing ensures consistent spring rates and long service life. The titanium retainers lower reciprocating mass to protect valvetrain components and support crisper engine response. Easy bolt-on installation with stock valve guides. Why choose this kit? Proven performance pedigree, lightweight titanium hardware, and engineered spring dynamics tailored to the VQ35DE — a direct upgrade for enthusiasts seeking dependable high-RPM operation.