Precision CNC-machined from aerospace quality titanium, these Pro Retainers are fully heat-treated and finished to exact tolerances, adding strength while offering a 40% weight reduction over conventional steel retainers

These valves are designed to handle the extreme heat requirements and punishment of today’s Nitro Fuels, Supercharged, Turbocharged, Nitrous Oxide. Many Top Fuel and Funny Car teams can confirm the performance and reliability of these valves which are now available for many engine combinations including Drag Race, Time Attack, Road Race, Endurance.

The Ferrea Intake Valve Kit TB48 +1.5mm (Set of 12) offers larger valves for improved airflow and engine performance, designed for Nissan TB48 engines.

Ferrea Intake Valve Kit for Toyota 2JZ-GTE, +1mm oversize, set of 12, aerospace-grade EV8-Z18 alloy

The Ferrea Intake Valve Kit for Toyota 1GR-FE engines (+1mm oversize, set of 12)

The Ferrea Intake Valve Kit for the 1FZFE engine features a set of 12 valves, each +3mm, specifically engineered to optimize engine performance and airflow.

The Ferrea Intake Valve Kit for the 1FZFE engine includes 12 high-quality +1mm valves designed to enhance airflow and improve performance.

Ferrea Exhaust Valve Kit for TB48, +1mm oversized, includes 12 valves engineered for enhanced airflow and performance.

Ferrea Exhaust Valve Kit for TB48, +1.5mm oversized, includes 12 valves designed for optimal airflow and improved engine performance.

Ferrea Exhaust Valve Kit for 2JZ-GTE, +1mm oversized, includes 12 valves for improved airflow and performance.

The Ferrea Exhaust Valve Kit for 1GRFE, featuring +1mm oversized valves and sold as a set of 12, is engineered to enhance airflow and performance in high-performance applications while ensuring a precise fit for optimal engine efficiency.

Ferrea Exhaust Valve Kit for 1FZFE, +3mm oversized, includes 12 valves designed for maximum airflow and improved engine performance.

Ferrea Exhaust Valve Kit for 1FZFE, +1mm oversized, includes 12 valves for enhanced airflow and engine performance.