This Ferrea Toyota 2JZ high‑boost turbo dual spring kit is specified as a dual‑spring package for high‑boost 2JZ turbo applications. Offered to match the 2JZ turbo cylinder head under elevated boost conditions, the kit supplies paired springs intended for valvetrain service or high‑boost engine builds on the 2JZ platform.
Ferrea Toyota 2JZ High Boost Turbo Dual Spring Kit