Our new Ferrea Valve Springs are processed with premium grade alloy and feature special thermal treatment. Our advanced springdesign and material specifications, have uniform load and stress distribution even in the most extreme racing environment This new valve spring offers customers additional durability in all high revving applications at an affordable price.

Type/Material: Dual spring, Chrome Silicon
O.D: 20.8/28.0 mm
I.D: 16.51/20.8 mm
Seat Press:65 lbs @ 35 mm
Open Press:185 lbs @ 25 mm
Rate Inch: 305 lbs
Coil Bind: 20 mm
Max Lift: 14 mm
Titanium Retianer: N/A
Alloy Magnesium Retainer: FVE10022
Seat Locator: FVSL1007