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- USA
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
King Subaru WRX/STi EJ20 EJ22 EJ25 Flange #3 Position Performance Main Bearing Set - Size STDXKing Performance Main Bearings are engineered for Subaru WRX and STi models equipped with EJ20, EJ22, and EJ25 engines. This flange #3 position main bearing set, sized STDX, offers exceptional durability and precision fitment to enhance your engine's performance and reliability. These main bearings are manufactured by King Engine Bearings, a trusted brand known for producing high quality engine components for motorsport and performance applications.
King Performance Main Bearings are engineered for Subaru WRX and STi models equipped with EJ20, EJ22, and EJ25 engines. This flange #3 position main bearing set, sized STDX, offers exceptional durability and precision fitment to enhance your engine's performance and reliability.These main bearings are manufactured by King Engine Bearings, a trusted brand known for producing high-quality engine components for motorsport and performance applications. Designed to withstand high loads and provide smooth operation, they ensure optimal crankshaft support and oil film retention.
Ideal for tuning enthusiasts and professional workshops, this bearing set helps maintain engine integrity under demanding conditions. Whether upgrading your turbocharged Subaru WRX/STi or restoring your EJ series engine, King Performance Main Bearings deliver excellent wear resistance and long-lasting protection.
With easy fitment and consistent quality, these bearings are a reliable choice for anyone aiming to enhance engine durability and power output without compromise.
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
4.5 ★★★★★
Based on 592 reviews
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Product Reviews
★★★★★ 5
Good Plug if you need this model
These are the OEM for Kohler 7000 series I did service on. They needed to be gapped but that’s every spark plug.
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Reviewed in the United States on May 19, 2026
★★★★★ 4
Plugs
They are sparkling plugs. They spark.
Very slow on delivery.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Champion is my favorite
They fit my cub cadet
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Flat tire… try this.
Size: 1 Gallon + Tool, Set name: Small Tire/Bicycle Formula
For husband, that’s what he puts in our tires great price and works well
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Go Ridding and Go Flatless with QuickStrike tire sealent
Size: 1 Gallon + Tool, Set name: Off-Road Formula
I’ve tried several tire sealants over the years on my ebikes and scooters, but FlatOut QuickStrike is by far the best I’ve used. From the moment I added it to my bike tires, I noticed a difference—it’s incredibly easy to install, and you don’t have to convert to tubeless to benefit from its protection. The formula is thin and spreads quickly, sealing punctures almost instantly so you don’t lose much air.
What I feel that really stands out is how effective it is. I ride my ebikes through rough terrain with lots of thorns and debris, and since using FlatOut QuickStrike, I haven’t had a single flat ( unlike before ). Even when I’ve picked up multiple punctures, the sealant has handled them all without a problem. I feel that the peace of mind it gives me is priceless, especially on long rides or commutes where a flat could ruin your day ( and It has in the past ).
Another big plus is that it’s a one-time application—it won’t dry out or turn into a mess inside your tire ( like that Green Stuff ). It’s also safe for both tubes and tubeless setups, and works well in my 20 inch and 14 inch tires. I’ve used it on my ebikes and scooters and the results have been consistently impressive.
Make me feel confident of the durability of my tires on my ride. I bought the gallon bottle because I have a few ebikes and scooters. this stuff works great!
If you want to spend less time fixing flats and more time enjoying your ride, this is the sealant to get. Highly recommend!
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Reviewed in the United States on June 14, 2025