The Grams Performance 550cc injector kit for 2014+ Subaru BRZ and Scion FR-S is a four-piece plug-and-play set that includes 11mm top adapters, DENSO lower cushion bottoms and DENSO adapters plus a fuel rail spacer. No additional adapters are required. Built with premium materials and advanced manufacturing, the high-impedance injectors provide reliable increased fuel flow for tuned four-cylinder boxer engines.
Grams Performance 14+ Subaru BRZ / Scion FR-S 550cc Fuel Injectors (Set of 4)