★★★★★ 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
TACO Grand Slam 400 Outrigger Top Mount - Pair - GS-400
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
TACO Grand Slam 400 Outrigger Top Mount - Pair - GS-400TACO Grand Slam 400 Outrigger Top Mount Pair (GS 400) Outfit your boat with tournament ready hardware using the TACO Grand Slam 400 Outrigger Top Mounts. Designed for serious offshore anglers and professional captains, this pair of top mounts provides a strong, secure foundation for outrigger poles while maximizing deck space and maintaining a clean installation. Built from marine grade, corrosion resistant materials, the Grand Slam 400 mounts are
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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.
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4.4 ★★★★★
Based on 621 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
