GSC Single Cylindrical Valve Spring Kit w/ Titanium Retainers – Toyota 2JZ & 1JZ – GSC5744
Reliable Spring Kit for Street Builds & Mild Cam Profiles
The GSC Power-Division Single Cylindrical Valve Spring Kit is tailored for Toyota 2JZ and 1JZ engines running S1 or S2 cam profiles. Designed for daily-driven setups that stay below 32 psi boost and 8,500 RPM, this kit includes 24 cylindrical valve springs and 24 lightweight titanium retainers.
Performance Specs
- 2JZ Install Height: 1.320" | Seat Pressure: 80 lbs | Open Pressure: 192 lbs @ 0.930"
- 1JZ Install Height: 1.282" | Seat Pressure: 90 lbs | Open Pressure: 197 lbs @ 0.912"
- Coil Bind: 0.845"
- Max Valve Lift: 2JZ: 0.415" | 1JZ: 0.382"
- Max RPM: 8,500 RPM
- Max Boost: 32 psi
Precision-Matched for Consistency
Each spring is nano-peened and batched by seat pressure to ensure uniform performance across all cylinders. The CNC-machined titanium retainers are built to exacting tolerances, delivering consistent pressure and long-term reliability.
Fitment:
- 1993–1998 Toyota Supra Turbo 3.0L DOHC Inline-6 (2JZ-GTE)
- 1991–2000 Toyota Aristo 3.0L Twin Turbo Inline-6 (2JZ-GTE, Japan only)
- 1990–2001 Toyota Chaser / Mark II / Cresta 2.5L Turbo Inline-6 (1JZ-GTE)
- 1992–2000 Toyota Soarer 2.5L Turbo Inline-6 (1JZ-GTE)
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
