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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Big Bore Cylinder Kit A4503090504 for KTM 250/300 SX XC TC MC 2023-2024Note: Converting your 250cc to a 300cc Motocross Replacement part number: A4503090504 Fit for KTM Engine: 300cc Injection Engine Application: Fit for following models: KTM 2023 2024 250 SX KTM 2023 2024 250 XC Husqvarna 2023 2024 TC 250 GasGas 2023 2024 MC 250 GasGas 2023 2024 EX 250
Note:
Converting your 250cc to a 300cc MotocrossReplacement part number:
A4503090504Fit for KTM Engine: 300cc Injection Engine
Application:
Fit for following models:
KTM 2023-2024 250 SX
KTM 2023-2024 250 XC
Husqvarna 2023-2024 TC 250
GasGas 2023-2024 MC 250
GasGas 2023-2024 EX 250
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
4.1 ★★★★★
Based on 2162 reviews
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Product Reviews
★★★★★ 5
Awesome shoes!
Size: 4 Big Kid, Color: Aqua/Multi
My daughter is SUPER picky about shoes and loves these. They are easy and quick to put on, run true to size, and most important COMFORTABLE. She is outgrowing them and will have to get her the next size up. Highly recommend for picky kids
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Reviewed in the United States on December 4, 2025
★★★★★ 5
LOVE THESE
Size: 3 Little Kid, Color: Hot Pink/Multi
Really nice. Pix don’t do them justice.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Great for busy feet
Size: 13 Little Kid, Color: Hot Pink/Multi, Size: 13 Little Kid, Color: Hot Pink/Multi
My five-year-old daughter loves these Skechers slip-ins—and she is not easy on her shoes! You can see in the photo, she’s already put plenty of miles on them. They’ve been through the washing machine at least twice and still look great—the bright colors are a big hit with her and they hold up well in the wash.
One of the elastic bands on top did come loose, but I was able to fix it quickly with a dab of superglue. She slips them on and off all by herself, which is perfect as we’re still learning to tie laces. All in all, a great purchase for the price—especially since kids grow so fast and put their shoes through a lot!
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Reviewed in the United States on May 24, 2025
★★★★★ 5
Cute slip-ons - so easy and quick!
Size: 13 Little Kid, Color: Hot Pink/Multi
These shoes are adorable, comfortable according to my kid, and super easy to pull on!
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Reviewed in the United States on January 17, 2026
★★★★★ 5
Durable
Size: 6 Big Kid, Color: Aqua/Multi
Good shoes. True to size
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Reviewed in the United States on February 18, 2026