SKU: 28912547426

Manley 04+ Subaru WRX/STI EH257 100.0mm Bore +.50mm Size 8.5:1 Dish Extreme Duty Piston Set

Sale price$554.18 Regular price$615.75
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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14

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Description

Manley 04+ Subaru WRX/STI EH257 100.0mm Bore +.50mm Size 8.5:1 Dish Extreme Duty Piston SetExperience peak performance and reliability with the Manley 04+ Subaru WRX STI EH257 piston set, designed specifically for high demand applications. This extreme duty set features forged pistons built to withstand the rigorous conditions of boosted and high performance engines. These pistons are sized at a 100. 0mm bore with a +. 50mm oversize, ensuring a precise fit and enhanced power output. The 8. 5: 1 compression ratio with an 8. 5: 1 dish design

Experience peak performance and reliability with the Manley 04+ Subaru WRX/STI EH257 piston set, designed specifically for high-demand applications. This extreme-duty set features forged pistons built to withstand the rigorous conditions of boosted and high-performance engines.

These pistons are sized at a 100.0mm bore with a +.50mm oversize, ensuring a precise fit and enhanced power output. The 8.5:1 compression ratio with an 8.5:1 dish design is optimized for boosted power, reducing detonation risk while maximizing efficiency.

Manley's reputation for quality and durability is evident in this set, making it an excellent choice for enthusiasts upgrading their Subaru WRX or STI engines. With careful engineering and robust construction, this piston set delivers performance enhancements and long-term dependability in demanding driving conditions.

Upgrade your engine with confidence knowing these extreme duty pistons are crafted to meet the highest standards of performance and endurance in the tuning community.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 28912547426

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J
Port Orchard, US
★★★★★ 3
Not happy
Faded and peeling after a year
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Reviewed in the United States on July 31, 2025
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buffy derrick
Bozeman, US
★★★★★ 5
Must have for campers
This stuff is amazing! Made our camper look brand new with the polish they sell in this brand. Would use nothing else on it.
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Reviewed in the United States on August 21, 2025
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Diana Knauer
Lake Worth, US
★★★★★ 5
Fantastic Product
Size: 32 Fl Oz (Pack of 1)
Easy to use and left incredible shine!
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Reviewed in the United States on November 9, 2024
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Richard prestwood
Massapequa, US
★★★★★ 5
Highly recommend on any fiberglass
Size: 16 Fl Oz (Pack of 1)
This poli glow is amazing i use it on my rv. It makes cleaning and protection from sun ray.
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Reviewed in the United States on May 5, 2026
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Sheri Scheibel
Lexington, US
★★★★★ 1
Not real
Size: 32 Fl Oz (Pack of 1)
Use their soap, product, Took oxidation off, sprayed the product on and wiped it looked beautiful within a few minutes. It dried and showed no shine at all. It was a smooth as it was after I washed it. It was as dull as it was as I started with.
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Reviewed in the United States on April 6, 2026

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