CP Pistons
CP Piston & Ring Set for Subaru EJ20 WRX - Bore (92.5mm) - Size (+0.5mm) - Compression Ratio (8.5) - SC7400-4
- SKU:
- CPPSC7400-4
- MPN:
- SC7400-4
- Availability:
- Regularly stocked product
Description
How do I know if these pistons will fit my vehicle?
Confirm fitment with your vehicle's specific make, model, and year before ordering to ensure proper installation and optimal performance.
Do I need professional installation for these pistons?
Professional installation is highly recommended for these performance pistons to guarantee precise assembly and achieve maximum horsepower gains.
CP Pistons forged piston sets for the Subaru EJ20 WRX deliver enhanced engine strength for extreme performance demands, achieving a powerful 8.5 compression ratio. These pistons feature a 92.5 millimeter bore and a +0.5 millimeter size for optimal sealing. Trust in these premium components for a significant horsepower boost in your high-performance application.
What Owners Say
Owners and enthusiasts consistently praise CP Pistons for their proven reliability across multiple builds, with many reporting years of trouble-free performance when properly installed and tuned. The brand earns particular respect for delivering solid results in high-performance applications, including builds exceeding 400hp on boosted setups. Users appreciate the precise specifications like the .005 piston-to-wall clearance that works well with factory bores, though proper machining and professional installation remain critical to success. Some note that like any forged piston, CP requires attention to build quality and tuning to avoid issues. Overall, CP Pistons has established itself as a trusted choice among the performance community for serious engine builds.
Key Features
- CP Piston & Ring Set for Subaru EJ20 WRX
- Bore (92.5mm)
- Size (+0.5mm)
- Compression Ratio (8.5)
Why Choose the CPP Piston Sets -4 Cyl
Delivers enhanced engine strength for extreme performance demands.
Achieves optimal piston-to-cylinder sealing for maximum power output.
Provides a precise fit for seamless integration and reliable operation.
Transforms your engine's potential with a balanced compression setup.
Who Is This For?
Engine Performance — 9/10
Designed for significant horsepower gains.
Street Performance — 8/10
Premium performance pistons for enhanced street power.
Track / Autocross — 8/10
Premium performance pistons suitable for track use.
Racing Competition — 9/10
Forged pistons for high-performance racing applications.
Drag Racing — 8/10
High compression ratio supports drag racing power demands.
Frequently Asked Questions
What vehicles are compatible with these CP Pistons?
These CP Pistons are engineered for precise fitment, specifically designed for 2002-2005 Saab 9-2X and Subaru Impreza models. This ensures seamless integration and reliable operation within the specified engine platforms. Confidence in compatibility for your performance build is assured.
What is the recommended installation procedure for these forged pistons?
Professional installation is recommended to confirm the precise fitment and setup of these CP Pistons. Adhering to professional installation ensures optimal piston-to-cylinder sealing for maximum power output. Trusting a qualified technician guarantees the reliability of your engine's performance transformation.
What performance enhancements can I expect from these CP Pistons?
Achieve a powerful 8.5 compression ratio, directly translating to significant horsepower gains. This design scores a 9 for Engine Performance usage, transforming your engine's potential with a balanced compression setup. Experience a substantial boost in your engine's capability.
What is the primary material used in these CP Pistons?
These CP Pistons are forged, a robust manufacturing process that delivers enhanced engine strength for extreme performance demands. This superior material choice provides a precise fit for seamless integration and reliable operation. Forge ahead with confidence in your engine's resilience.
Additional Resources
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
SC7400-4 |
Proposition 65: |
N |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Piston Sets - Forged - 4cyl |
Product Level: |
Premium Performance |
Engine Performance: |
9/10 |
Street Performance: |
8/10 |
Track / Autocross: |
8/10 |
Racing Competition: |
9/10 |
Drag Racing: |
8/10 |
Related Products
Related Products
Manley 98+ Subaru WRX (EJ205) 75mm STD Stroke 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings - 615005C-4
Manley Performance
CP Piston & Ring Set for Nissan SR20VE/VET - Bore (86.5mm) - Size (+0.5mm) - Compression Ratio (9.0) - SC7325V-4
CP Pistons
CP Piston & Ring Set for Mitsubishi 4B11 Evo X - Bore (86.5mm) - Size (+0.5mm) - Compression Ratio ( - SC7221-4
CP Pistons