The Kelford Cams KVS87-DT valve spring kit is designed for the Turbocharged 2015+ Subaru FA20 DIT engines. It features a Dual Spring and Titanium Retainer Kit that has 88lb seated pressure @ 32.85mm using the OEM seat, 228lb @ 11mm lift, 262lb @ 12mm lift. Coil Bind is at 18.55mm.
This kit can also fits earlier generation FA20 engines in the 2013-21 BRZ and GT86
Specs:
88lb seat pressure @ 32.85mm install using OEM seat