Koyo All-Aluminum Coolant Filler Neck BRZ FR-S T86 Subaru These coil overs are designed

These coil overs are designed for street use with progressive rate springs that start out soft and stiffen as they are compressed

Over-sized belt retainers and grooved belt teeth

- Spring-centered race disc engagement is harsher but provides faster shifts

each intake system is engineered to provide improved horsepower and torque gains over the stock setup

-Street and track torture tested

Koyo All-Aluminum Coolant Filler Neck BRZ FR-S T86 Subaru These coil overs are designedKoyorad introduces an all aluminum coolant filler neck for the 2013 2016 Scion FR S and Subaru BRZ. This is an all aluminum upgrade to the stock plastic piece with many features built into the design. Features: Billet aluminum eliminates steam erosion and cracking common with plastic filler necks Integrated 1 8 PT sensor port (supplied with optional plug) to fit with sensors provided by most Japanese temperature gauge companies Conversion of radiator