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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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CP Pistons
CP Pistons Piston & Ring Set for Subaru Impreza WRX STI 2004-2012 (EJ257) - 99.5mm Standard Bore - 8.2:1 CR - SC7420-4
$885.15
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits 2004-2012 Subaru Impreza WRX STI models equipped with the EJ257 engine.
This CP Pistons forged piston and ring set is engineered to withstand the extreme cylinder pressures and thermal loads of the turbocharged EJ257. Designed for standard 99.5mm bore blocks, this set maintains an 8.2:1 compression ratio, providing a robust foundation for high-boost applications and performance engine rebuilds. Each piston is precision-machined to ensure tight tolerances and optimal oil control, while the included ring set provides superior sealing and heat dissipation.
- Manufacturer Part Number: SC7420-4
- Bore Size: 99.5mm (Standard)
- Compression Ratio: 8.2:1
- Engine Application: Subaru EJ257 2.5L Turbo
- Included Components: Forged pistons and matching piston ring set
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2012 | Subaru | Impreza | WRX STI |
| 2007,2011-2012 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
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Sat: 9:00 am – 2:00 pm
Sun: Closed
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CP Pistons Piston & Ring Set for Subaru Impreza WRX STI 2004-2012 (EJ257) - 99.5mm Standard Bore - 8.2:1 CR - SC7420-4
$885.15
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
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$885.15
$885.15
$885.15
Fits 2004-2012 Subaru Impreza WRX STI models equipped with the EJ257 engine.
This CP Pistons forged piston and ring set is engineered to withstand the extreme cylinder pressures and thermal loads of the turbocharged EJ257. Designed for standard 99.5mm bore blocks, this set maintains an 8.2:1 compression ratio, providing a robust foundation for high-boost applications and performance engine rebuilds. Each piston is precision-machined to ensure tight tolerances and optimal oil control, while the included ring set provides superior sealing and heat dissipation.
- Manufacturer Part Number: SC7420-4
- Bore Size: 99.5mm (Standard)
- Compression Ratio: 8.2:1
- Engine Application: Subaru EJ257 2.5L Turbo
- Included Components: Forged pistons and matching piston ring set
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2012 | Subaru | Impreza | WRX STI |
| 2007,2011-2012 | Subaru | Impreza | WRX STI Limited |
| 2010 | Subaru | Impreza | WRX STI Special Edition |
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