Ferrea Single Valve Spring 2012-2016 Subaru BRZ / Scion FR-S (QTY 16) vendor_Magnaflow Performance Engine Compatibility: K20 / K24

Engine Compatibility: K20 / K24 engines

Aeromotive fuel pressure control preferred by the top racers and tuners

Tuner series arms can also be upgraded with Skunk2 ‘s cadmium-plated

head castings will need to be filled down slightly for clearance

Part #: TC114

Ferrea Single Valve Spring 2012-2016 Subaru BRZ / Scion FR-S (QTY 16) vendor_Magnaflow Performance Engine Compatibility: K20 / K24Part #: S10154 2. 0L DOHC 16 Valve (4U GSE), This spring requires Ferrea Tool Steel Retainer # E20055 and Ferrea Spring Seat Locator # SL1139. (Discard OEM Factory Spring Seat Locator) Type Material Application: Single Spring Stage 1 Endurance Application. Price is for a quantity of 16