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BorgWarner Super Core EFR B1 6758
BorgWarner Super Core EFR B1 6758
BorgWarner Super Core EFR B1 6758
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BorgWarner Super Core EFR B1 6758

Marsoni M251S
Sale price$920.26
Pay 4 payments of $230.06 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
BorgWarner Super Core EFR B1 6758SKU: 11587105001 UPC: 840232701890 BorgWarner Super Core EFR B1 6758 Turbocharger CHRA The BorgWarner Super Core EFR B1 6758 is the rotating core assembly from the high performance EFR 6758 turbo series built for engines producing 300 to 600 horsepower. This dual ball bearing CHRA fits custom turbo setups on vehicles like Mitsubishi Lancer Evolution Subaru Impreza WRX STI Nissan 240SX and Volkswagen platforms when paired with matching EFR housings. It
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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]
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4.2 ★★★★★
Based on 326 reviews
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Product Reviews
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Verified Purchase
Mar Gee
Dallas, 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
Belleville, 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
M
Verified Purchase
Marybeth
Boise, US
★★★★★ 5
Super comfortable, great quality
Size: Large, Color: (001) Black / Black / Pitch Gray
I love these socks!! They are very comfortable and my second order bc I love them so much! Also, they fit snuggly on my feet but not too tight. Best of all, they do not slide down my heels even when wearing my UGG boots.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2025
A
Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 5
Sock em good Socko!!
Size: Large, Color: (100) White / White / Pitch Gray
Hands down the best socks I’ve bought on here. Just need to find them in black and I’m set on ankle socks for life.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
S
Verified Purchase
scopin4u2
Birmingham, US
★★★★★ 5
They’re pretty nice socks
Size: Large, Color: (100) White / White / Pitch Gray
I got these today. They fit ok. I was wanting some no show socks. These are great. You have to make sure of the size you buy. They’re durable. Comfortable. Keep moisture off your feet as much as possible. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2025

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