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SUB STI EJ257 Block w/ EJ20 Head 99.75mm Bore CR 8.5 KIT Set of 4 Pistons

$899.99

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Details

  • SKU: 296349
  • Manufacturer: JE PISTONS

Description

  • California Prop 65 Warning: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov/
  • Type: Piston Set

California Restricted

California laws prohibit (in most cases) the use of any aftermarket product whose installation requires the removal of any emissions control related components as regulated by the California Air Resources Board (www.arb.ca.gov).

If an item is designated as "Competition and Racing Vehicles Only", we will require a race waiver be digitally signed before an item can ship to California. If an item is to be exported from California, an export waiver is available as well. This is a REQUIRED guarantee from you that a restricted item will NOT be used on any public highway in California; only on private race tracks in racing or competition use.

The JE Pistons Forged Piston Kit is designed for Subaru EJ257 blocks with EJ20 heads, featuring a 99.75mm (3.927") bore and an 8.5:1 compression ratio. Manufactured from high-strength 2618 aluminum, these pistons are built for high-performance applications, offering durability and optimized performance. The proprietary Forged Side Relief (FSR) design reduces friction and minimizes power loss, while the skirt coating helps lower wear and operating noise. Some applications include an accumulator groove to improve ring seal and reduce ring flutter. The kit includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings. JE Pistons applies decades of expertise in racing piston design, ensuring reliability and performance for demanding motorsport applications. This set includes four pistons engineered to withstand the rigors of high-horsepower builds.





This product was added to our catalog on Thursday 22 February, 2024.




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