Brian Crower Valve Spring & Retainer Kit for Toyota/Scion 1.5L 1NZFE

Brian Crower Valve Spring & Retainer Kit for Toyota/Scion 1.5L (1NZ-FE) Optimize valve control, durability, and high-rpm stability with this precision-engineered valve spring and retainer kit from Brian Crower, designed specifically for Toyota and Scion 1.5L 1NZ-FE engines. This complete kit replaces OEM components with performance-grade materials to reduce valve float, improve valve seating at elevated rpm, and extend component life under street and track conditions. Application: Toyota/Scion 1.5L 1NZ-FE (direct fit) Components included: High-performance valve springs, hardened retainers, locks/keepers and installation hardware as required Benefits: Increased spring force for reliable valve control, improved fatigue resistance, consistent spring harmonics Materials: Heat-treated alloy springs and precision-machined retainers for superior wear resistance Use cases: Ideal for mild to moderate engine builds, cam upgrades, spirited street driving and occasional track use Brian Crower is a trusted performance name; this kit offers a cost-effective upgrade that maintains OEM fitment while delivering measurable improvements in valve train stability and longevity. Note: Professional installation recommended. Verify compatibility with your engine year and camshaft profile before purchase.