Ferrea Dual Valve Springs Ecotec 2.2L GM Cobalt S10057-16

Ferrea Dual Valve Springs Ecotec 2.2L GM Cobalt S10057-16. 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 PAC alloy materials and maintain tight tolerances for those unique aftermarket cylinder heads. Please message us for […]