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

Marsoni M251S
Sale price$450.00
Pay 4 payments of $112.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
JE Pistons SUB STI EJ257 Block w/ EJ20 Head 99.75mm Bore CR 8.5 KIT Set of 4 PistonsJE Pistons is the leader in forged racing pistons. With 70 plus years of experience, in house forging, and industry leading technology, JE Pistons are designed to perform at the top levels of all forms of motorsports.
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Your JE Pistons SUB STI EJ257 Block w/ EJ20 Head 99.75mm Bore CR 8.5 KIT Set of 4 Pistons orders ship within 1-2 business days.

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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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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
4.2 ★★★★★
Based on 1998 reviews
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Product Reviews
C
Verified Purchase
Cody Mills
Cuba, US
★★★★★ 5
Will buy again!
Configuration: 4-Stroke, Size: 1 GA, Configuration: 4-Stroke, Size: 1 GA
This is my second time using this oil to service my 2022 Mercury 90 outboard. Excellent oil! Engine runs extremely smooth. The jug was very easy to pour from. No smoke from the engine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
A
Verified Purchase
albert smart
New York, US
★★★★★ 5
Good
Configuration: 4-Stroke, Size: 1 GA, Case of 3
Good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
M
Verified Purchase
mattw
Battle Creek, US
★★★★★ 4
Oily situation lol
Configuration: 4-Stroke, Size: 1 GA
Honestly how do you write a review of this product? I would have to run tests for years on multiple oils on various engines to do so. The value was good however and shipping was great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2025
P
Verified Purchase
Peter Schott
Houston, US
★★★★★ 5
Use the best oil to protect your investment
Configuration: 4-Stroke, Size: 1 GA
Great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025
S
Verified Purchase
Sean R.
Natrona Heights, US
★★★★★ 5
Excellent quality
Great quality kit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 24, 2025

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