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Fleece Performance GM LSR Standard Deck Wet Aluminum Engine Block

Marsoni M251S
Sale price$3375.00
Pay 4 payments of $843.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Fleece Performance GM LSR Standard Deck Wet Aluminum Engine BlockSKU: FPE LSR SD10X UPC: 732777409730 Fleece Performance Freedom Series Wet Aluminum Billet Block GM LSR Standard Deck (10X) with Ductile Iron Sleeves The Fleece Performance Freedom Series wet sleeve aluminum block for the 2024+ LSR Duramax delivers a repairable, high horsepower capable platform that saves over 100 lbs versus the factory iron block while providing better heat transfer and cylinder sealing. CNC machined from a single 6061 T6 aluminum
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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.
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4.8 ★★★★★
Based on 2214 reviews
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Mar Gee
Birmingham, US
★★★★★ 5
Style and comfort
Size: Medium, Color: Black
Exactly what I was looking for. Style and sock thickness and comfort.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
A
Verified Purchase
Amazon Customer
Whiting, US
★★★★★ 5
Comfortable
Size: Medium, Color: Blue
So comfortable! They stay up perfectly love love love
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
J
Verified Purchase
Jeannie Moore
Bozeman, US
★★★★★ 5
Love my socks!
They fit perfect!
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Reviewed in the United States on March 19, 2026
P
Verified Purchase
PPeter
Dallas, US
★★★★★ 1
Too large. Correct size not depicted.
SIZE 10-14... Too large. Product details says "Regular" size. Returning.
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Reviewed in the United States on March 16, 2026
S
Verified Purchase
Stacey Lovejoy
Waukegan, US
★★★★★ 2
Too big
The one size fits all was too big for me.
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Reviewed in the United States on March 10, 2026

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