SuperTech Dual Valve Spring Kit
Designed for high-performance Subaru EJ20 and EJ25 Turbo DOHC engines, this SuperTech dual valve spring kit delivers reliable valvetrain control for demanding applications.
- Seat Pressure: 64 @ 35.6
- Open Pressure: 199 @ 11.5
- Maximum Lift: 15.30 mm
- Coil Bind: 20.70 mm
- Spring Rate: 12.1
- Kit Springs (SPR-TS1015): 16
- Retainers (RET-TS60/WRX1): 16
- Seat Locators (SEAT-TS-SUB3): 16
- Inner Spring ID: 15.20 mm
- Inner Spring OD: 20.00 mm
- Outer Spring OD: 27.50 mm
- Outer Spring ID: 20.00 mm
Engine Compatibility
- Subaru EJ20 Turbo DOHC
- Subaru EJ25 Turbo DOHC
Manufacturer: SuperTech
SKU: USA-ST-SPRK-TS1015-SU3
Images are representative; actual product may differ.
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| Subaru | STI | - | EJ20, EJ25 |
| Subaru | WRX | - | EJ20, EJ25 |
SUPERTECH
Product Title: SUPERTECH High-Performance Engine Oil – Ultimate Protection for Car Enthusiasts
Introducing SUPERTECH High-Performance Engine Oil, the premium choice for car enthusiasts seeking unparalleled engine protection and performance. Designed to meet the demands of high-performance vehicles, SUPERTECH ensures your engine runs smoothly and efficiently, enhancing both longevity and power.
Key Features and Benefits:
- Advanced Synthetic Formula: Provides superior lubrication and reduces engine wear, ensuring optimal performance under extreme conditions.
- High Viscosity Stability: Maintains consistent viscosity across a wide temperature range, delivering reliable protection in both hot and cold climates.
- Enhanced Fuel Efficiency: Formulated to minimize friction, helping you achieve better fuel economy without sacrificing power.
- Superior Cleaning Agents: Keeps your engine clean by preventing sludge and deposits, promoting a longer engine life.
- Compatibility with All Engine Types: Suitable for both gasoline and diesel engines, making it the versatile choice for all car enthusiasts.
With SUPERTECH High-Performance Engine Oil, you can trust that your vehicle is receiving the best care possible. Don’t compromise on quality—experience the difference that premium engine oil can make. Upgrade your engine's performance today and feel the power of SUPERTECH. Order now and give your car the protection it deserves!
Valve dual spring kit SuperTech for Subaru WRX STI EJ20 / EJ25 (64lbs@36mm)
757.47€
749.90€
Excl. VAT: 619.75€
EU Shipping — No Import Taxes
| Brand | Model | Generation | Engine |
|---|---|---|---|
| Subaru | STI | - | EJ20, EJ25 |
| Subaru | WRX | - | EJ20, EJ25 |


