The design and processes on these dual valve springs are optimized to reduce valvetrain harmonics and provide greater stability on high horsepower applications. Ferrea uses high grade premium...

Ferrea Valve Springs are the top of the line when it comes to valve train. We use them in our cars and suggest them to our customers. They are only to be used with Ferrea Retainers.Ferrea Retainers...

The new Ferrea Valve Springs are processed with premium-grade alloy and feature special thermal treatment. Ferrea's advanced spring design and material specs have uniform load and stress distribution...

The design and processes on these dual valve springs are optimized to reduce valvetrain harmonics and provide greater stability on high horsepower applications. We use high grade premium super-clean...

Ferrea is pleased to offer their Pro-Series Titanium Retainers including sizes that fit both traditional Domestic springs and Sport Compact springs. Precision CNC-machined from aerospace quality...