CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore 99.75mm - Size 0.25mm - CR 8.2
€1,029.35*
Available at supplier, delivery time: 7-10 working days
incl. 19% VAT plus shipping costs
CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore 99.75mm - Size 0.25mm - CR 8.2
This CP Piston & Ring Set is engineered for the Subaru EJ257 engine found in WRX STi models, featuring a 99.75mm bore with a 0.25mm oversize and an 8.2 compression ratio. Crafted from high-strength forged aluminum, these pistons are CNC machined and balanced to within +/- 1 gram for optimal performance and durability. The set includes wrist pins and features accumulator grooves and double pin oilers force fed from the oil ring, ensuring superior lubrication and reliability under high-stress conditions.
- High-strength forged aluminum construction
- Super lightweight design for enhanced engine response
- Fully CNC machined and balanced to +/- 1 gram
- Includes wrist pins (OEM pin locks required)
- Accumulator groove and double pin oilers for improved lubrication
- Designed for oversized valves and high lift camshafts
These pistons provide excellent ring seal, reduced blow-by, and maintain peak horsepower throughout the life of the piston rings. Ideal for performance builds and motorsport applications for Subaru EJ257 engines.
Make | Model | Year | Type |
---|---|---|---|
Subaru | Impreza | 2004 | WRX STI |
Subaru | Impreza | 2005 | WRX STI |
Subaru | Impreza | 2006 | WRX STI |
Subaru | Impreza | 2007 | WRX STI |
Subaru | Impreza | 2007 | WRX STI Limited |
Subaru | Impreza | 2008 | WRX STI |
Subaru | Impreza | 2009 | WRX STI |
Subaru | Impreza | 2010 | WRX STI |
Subaru | Impreza | 2010 | WRX STI Special Edition |
Subaru | Impreza | 2011 | WRX STI |
Subaru | Impreza | 2011 | WRX STI Limited |
Subaru | Impreza | 2012 | WRX STI |
Subaru | Impreza | 2012 | WRX STI Limited |