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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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Manley Performance
Manley Performance 2004-2012 Subaru Impreza WRX STI (EJ257) 99.75mm Bore +.25mm Oversized Ring Set - 46997-4
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, WRX STI Limited, and WRX STI Special Edition (EJ257).
This Manley Performance Piston Ring Set is engineered specifically for Subaru EJ257 engines featuring a 99.75mm bore (+.25mm oversized). These rings are designed to provide the precise combustion seal and oil control necessary for high-performance turbocharged boxer engine builds. This conventional ring set utilizes high-grade materials to ensure durability under extreme thermal and mechanical loads.
- Bore Diameter: 99.75mm (+.25mm Oversize)
- Ring Dimensions: 1.2mm x 1.2mm x 2.0mm
- Top Ring: High-performance ductile iron with plasma-moly inlay for heat resistance
- Second Ring: Reverse twist taper face or Napier-style for superior oil scraping
- Oil Ring: 3-piece design for consistent lubrication control
- Designed for compatibility with Manley Performance pistons
- Manufacturer Part Number: 46997-4
🔧 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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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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The Atlus Price Guarantee
If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom right of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
Manley Performance 2004-2012 Subaru Impreza WRX STI (EJ257) 99.75mm Bore +.25mm Oversized Ring Set - 46997-4
Note: Images are for illustrative purposes only. The actual product may vary in appearance or contents. Please read the full description and verify the item you're receiving.
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
Price Match
If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
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Fits 2004-2012 Subaru Impreza WRX STI, WRX STI Limited, and WRX STI Special Edition (EJ257).
This Manley Performance Piston Ring Set is engineered specifically for Subaru EJ257 engines featuring a 99.75mm bore (+.25mm oversized). These rings are designed to provide the precise combustion seal and oil control necessary for high-performance turbocharged boxer engine builds. This conventional ring set utilizes high-grade materials to ensure durability under extreme thermal and mechanical loads.
- Bore Diameter: 99.75mm (+.25mm Oversize)
- Ring Dimensions: 1.2mm x 1.2mm x 2.0mm
- Top Ring: High-performance ductile iron with plasma-moly inlay for heat resistance
- Second Ring: Reverse twist taper face or Napier-style for superior oil scraping
- Oil Ring: 3-piece design for consistent lubrication control
- Designed for compatibility with Manley Performance pistons
- Manufacturer Part Number: 46997-4
🔧 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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