GSC Power Division P-D single valve spring for Subaru BRZ / Scion FR-S / Toyota 86 FA20 applications, sold as a single spring intended for use in the GSC P-D5756 kit. This component is specified as part of that kit’s valve train set and is presented for rebuilds or individual replacement when servicing the matched spring and retainer hardware within the P‑D5756 package.
GSC P-D BRZ/FRS FA20 Single Spring (For GSC P-D5756 Kit)