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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 $230.06 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
BorgWarner Super Core EFR B1 6758SKU: 11587105001 UPC: 840232701890 BorgWarner Super Core EFR B1 6758 Turbocharger CHRA The BorgWarner Super Core EFR B1 6758 is the rotating core assembly from the high performance EFR 6758 turbo series built for engines producing 300 to 600 horsepower. This dual ball bearing CHRA fits custom turbo setups on vehicles like Mitsubishi Lancer Evolution Subaru Impreza WRX STI Nissan 240SX and Volkswagen platforms when paired with matching EFR housings. It
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 2047 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Battle Creek, US
★★★★★ 3
Unfortunate
Color: Black/Black/Digital Neg Display
It’s a cool new design but the night light button stopped working within a month of buying it. Shouldn’t happen with a 150$ sports watch
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 27, 2025
S
Verified Purchase
Scott E. Bigelow
Los Angeles, US
★★★★★ 1
Garbage
Color: Black/Black/Digital Neg Display
Absolute garbage. The date that came up was from 2022. Most buttons did not work. Once you got into changing the time, etc, the watch locked up and would not get out of 'timer' mode. The watch lost 10 minutes in three hours. Do not purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2025
M
Verified Purchase
Miya Addison McKenzie
Los Angeles, US
★★★★★ 5
Great Watch
Color: Red
Beautiful and is well made. Because it's multi colored it matches everything.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
T
Verified Purchase
Thunderfoot
Lexington, US
★★★★★ 1
Cheap buckle and band. Did not last one day
Color: Blue
Why did you pick this product vs others?: Watch buckle is made of plastic that looks like metal. The watch band broke off the watch face 1 hour into my 12 hour shift. It LOOKS really cool. Love the Boho look, but the quality of the watch band and buckle are very cheap and not at all durable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 10, 2025
P
Verified Purchase
Pamela
Chelsea, US
★★★★★ 5
Quality of band bad
Color: Blue
Love the watch, the band unraveled within a week. I ordered a magnetic band.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2026

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