Brian Crower Honda K Series / Mazda MZR Titanium Retainer and Valve Spring Kit

If you're building a performance Honda K Series or Mazda MZR engine and planning to push it past stock RPM limits, a strong valve spring and retainer setup is crucial. This kit from Brian Crower includes titanium retainers and matched valve springs designed to handle the increased stress and higher engine speeds. Using titanium for the retainers helps reduce overall valvetrain weight, which can lead to improved engine response.

Brian Crower is known for making well-built valvetrain components for performance builds. These springs are designed to maintain proper valve control at higher RPMs, preventing valve float and ensuring consistent engine operation when you're really asking a lot from your motor. The titanium retainers are a notable upgrade over stock steel parts, offering a good balance of strength and reduced mass. This kit is a solid option for anyone serious about getting the most out of their K Series or MZR engine.