Piston (Standard) - Sparex Part S.57840

Marsoni

M251S

$80.44

Get it in 3 business days with 1 day shipping. Friday, May 29

Piston (Standard) - Sparex Part S.57840Piston (Standard) S. 57840 Upgrade your engine's performance with the Sparex Standard Piston, designed for durability and efficiency. This high quality piston is engineered to meet the specifications required for optimal engine function. Product Specifications Piston Length: 105. 58mm Compression Height: 60. 35mm Bore : 100. 00mm Chamber Depth: 20. 35mm Chamber : 58. 87mm Pin : 31. 75mm Number of Rings: 4 Al Fin Ring Groove: Yes Alternative to: 57507

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I wish they came in a 31x31. Very stretchy. Black inside, which is weird but cool. Ordered May 2024 Nominal size: 30x30 Actual: - Waist: 31" - Inseam: 28.5" - Rise: 9.5" - Upper thigh: 10.5" - Opening: 13" Nominal size: 32x32 - Waist: 33" - Inseam: 30" - Rise: 10" - Upper thigh: 11.5" - Opening: 14"

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Reviewed in the United States on May 5, 2024

Verified Purchase

Reginald R. Moreland

Chelsea, US

★★★★★ 5

Style quality fit price everything is amazing

Size: 30W x 30L, Color: Merlot

Perfection

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Reviewed in the United States on February 27, 2026

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Assaf

Carnegie, US

★★★★★ 5

Excellent pants

Size: 30W x 30L, Color: British Khaki

Excellent pants Sits really well on the body

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Reviewed in the United States on December 17, 2025

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David Hershman

Grantham, US

★★★★★ 1

wrong fit - small and doesn't match original - doesn't meet description

Size: 36W x 29L, Color: Black

DKNY must watch who produces their brand. Have a few pairs and they are made in Bangladesh and fit amazing. Just ordered this pair and it's not even close to how it should fit. Very small and waist band doesn't stretch at all and made in China.

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Reviewed in the United States on November 10, 2025

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Dave R.

Cuba, US

★★★★★ 5

Super comfortable and fit true to size

Super comfortable and fit true to size. Have purchased several colors I love them so much!

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Reviewed in the United States on November 1, 2025