★★★★★ 5
A reliable set of spark plugs.
They’re made in Germany, what else can you say
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Reviewed in the United States on April 24, 2026
![RX28G2 24mm Battery Steel Chassis Conversion Kit [Reflex Racing] RX28A-39](https://cdn.shopify.com/s/files/1/0683/9825/2271/files/RX28A-39_03.jpg?v=1729537377)
![RX28G2 24mm Battery Steel Chassis Conversion Kit [Reflex Racing] RX28A-39](https://cdn.shopify.com/s/files/1/0683/9825/2271/files/RX28A-39_02.jpg?v=1729537379)
RX28G2 24mm Battery Steel Chassis Conversion Kit [Reflex Racing] RX28A-39
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
RX28G2 24mm Battery Steel Chassis Conversion Kit [Reflex Racing] RX28A-39All New RX28 Steel Chassis for your RX28G2 Plate Cars. This new chassis allow for fore and aft movement of 20mm wide batteries as well as making it compatible with our new 400mah batteries that are 24mm wide. This new chassis kit comes with lateral CF braces to locate the battery side to side, but also to stiffen the front to back structure of the car for more precise handling and higher corner speeds. The kit is finished off with a new forward center
Quick Dispatch:
Your RX28G2 24mm Battery Steel Chassis Conversion Kit [Reflex Racing] RX28A-39 orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your RX28G2 24mm Battery Steel Chassis Conversion Kit [Reflex Racing] RX28A-39 ships.
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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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4.4 ★★★★★
Based on 555 reviews
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Product Reviews
★★★★★ 5
Work as well as the NGK's
Bought for a 2016 Mazda 6, I had NGK's in it for 5 months and had misfires, didnt have the money to throw more NGK's at it for troubleshooting. Bought these to try and they work great so far.
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Reviewed in the United States on April 29, 2026
★★★★★ 4
Faulty plug? Otherwise great set
Definitely better than the old plugs that probably had 80k miles on them.
The one star off is because I had a misfire after installing. Not sure if I damaged the plug or what, but a reinstall didn't fix the misfire. In my genius, I rushed to try to gap it and ended up breaking the iridium tip. Put the old plug into cylinder 3 (where the misfire was) and it was fine.
Gonna have to get a new single tomorrow at my local shop, but a bit frustrating to get a misfire after install.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Upgrade from OEM
After seeing a quite ludicrous $403 quote to change 4 spark plugs in a Mazda3 I decided to show my son how easy it is.
These were an upgrade from OEM parts. They were gapped perfectly for the car.
They took 20mins to fit and work fine.
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Very good
The best quality. Runs like new again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
