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USDM OBD1 VTEC Conversion Kit
USDM OBD1 VTEC Conversion Kit
USDM OBD1 VTEC Conversion Kit
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USDM OBD1 VTEC Conversion Kit

Marsoni M251S
Sale price$13.99
Pay 4 payments of $3.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
USDM OBD1 VTEC Conversion KitConvert your nonVTEC OBD1 ECU to VTEC functionality with our allinone DIY conversion kit. This kit includes every component required to perform the hardware upgrade, with options tailored to the three most common USDM board part numbers: 11F0, 1720, and 1980. The board number can be found printed at the topright corner of your ECUs circuit board. Features Complete kit with all required components for hardware conversion Installation guide via QR code
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Your USDM OBD1 VTEC Conversion Kit orders ship within 1-2 business days.

Delivery Options:

  • 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
4.7 ★★★★★
Based on 464 reviews
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Product Reviews
J
Verified Purchase
James
Los Angeles, US
★★★★★ 4
Great Swiss Watch
Color: Green on Stainless Steel
High build quality. Super smooth movement. I've found that it loses time a lot faster than many of my Japanese automatics. The color options are great, but I wish there was more bracelet color diversity. High quality steel doesn't scratch easily. The date complication is awesome.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
K
Verified Purchase
Karl Doss
Lowell, US
★★★★★ 5
Nice
Color: Grey on Black Fabric
Better than expected
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
E
Verified Purchase
Erik Rosado
Lexington, US
★★★★★ 5
Quality timepiece
Color: Brown on Brown Rubber, Color: Brown on Brown Rubber
Beautiful watch keeping accurate time. Quality timepiece
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 23, 2025
A
Verified Purchase
AQUILES COLOMBO
Boise, US
★★★★★ 5
MUY BONITO
Color: Blue on Blue Fabric
EXCELENTE
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
A
Verified Purchase
Amazon Customer
Omaha, US
★★★★★ 5
Stunning!
Color: Blue on Stainless Steel
Amazing looking watch! Super happy with the design and looks of this piece. I totally love it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 6, 2025

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