Best in 7 days
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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Oct 4 - Oct 9
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
RS-R Best-i Active Coilovers for 2016+ Infiniti Q50 Red Sport 400 RWDRS R Best i Active coilovers for the 2016+ Infiniti Q50 Red Sport 400 RWD are built for a very specific problem: replacing a factory adaptive damper without losing the factory controller. Best i Active keeps the OEM AVS DDS signal, Ti2000 springs, pillowball uppers, and the full 36 level damper range, all controlled through the cars original driving mode button. No warning light canceler required, no loss of factory modes you get a proper dropped
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 431 reviews
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Product Reviews
★★★★★ 5
Fast delivery and good price
Good price and name brand
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 4
Gas welder "lincoln "
Fit as expected
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2026
★★★★★ 5
Direct replacement for my J Deere GT225
Fit my John Deere GT225 as a direct replacement. It did need to be re-gapped before installation. I think the price was fair for two spark plugs, now I have a spare.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
★★★★★ 5
check to make sure if you need the roller brush too.
fits perfectly
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Spark plugs
As advertised
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
