Brian Crower Single Valve Spring & Titanium Retainer Kit for Select 2002-2017 Nissan/Infiniti (VQ35DE) BC0220

Fits select 2002-2017 Nissan and Infiniti models equipped with the VQ35DE engine, including 350Z, G35, Altima, Maxima, Murano, and FX/EX/M series.

Ensure valvetrain stability and prevent valve float during high-RPM operation with the Brian Crower Single Valve Spring and Titanium Retainer Kit. Specifically engineered for the Nissan VQ35DE platform, this kit (MPN BC0220) provides the necessary seat pressure and tension to support aggressive camshaft profiles and performance driving.

The included single valve springs are wound from high-grade chrome silicon wire to maintain consistent pressure under high thermal loads. By pairing these with precision-machined titanium retainers, reciprocating mass is significantly reduced compared to factory steel components, allowing for faster engine response and increased reliability at the rev limit.

• Manufacturer Part Number: BC0220
• Engine Compatibility: Nissan VQ35DE (3.5L V6)
• Spring Configuration: Single Spring
• Retainer Material: Aerospace-grade Titanium
• Performance Goal: Eliminates valve float and improves valvetrain harmonics at high RPM

Each kit is manufactured to strict tolerances, ensuring a direct-fit solution for enthusiasts upgrading their valvetrain for track use or forced induction applications.