★★★★★ 5
Well worth the price.
Great fit and quality feel.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 3, 2025
GSC P-D Subaru EJ Series Viton 6mm Valve Stem Seal Set
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
GSC P-D Subaru EJ Series Viton 6mm Valve Stem Seal SetSKU: 1022 GSC P D Subaru EJ Series Viton 6mm Valve Stem Seal Set 1999 2015 Impreza WRX STI GSC P D Viton 6mm valve stem seals deliver reliable oil control for Subaru EJ series engines found in Impreza WRX and STI models from 1999 to 2015. This set replaces worn factory seals to stop oil burning and consumption during high revving performance driving. Engineered for boosted applications these seals maintain tight fitment across intake and exhaust
Quick Dispatch:
Your GSC P-D Subaru EJ Series Viton 6mm Valve Stem Seal Set 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 GSC P-D Subaru EJ Series Viton 6mm Valve Stem Seal Set 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]
- Please click here for more details>>> Return & Exchange Policy
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4.9 ★★★★★
Based on 1926 reviews
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Product Reviews
★★★★★ 5
I if are a last minute shopper this brand is fully recommended
Color: Dark Blue, Size: XX-Large
It was a best choice. Last minute on time delivery great quality everything was perfect. The quality the size the comfort everything was top notch great material and also the price 👍
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Reviewed in the United States on May 28, 2026
★★★★★ 5
True to size
Color: Black, Size: XX-Large
It came right on time vs the other 1 I ordered. It's true to size
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Fitting it good!
Color: Army Green, Size: X-Large, Color: Army Green, Size: X-Large
My husband loved it. Looks a little different when u took the pic but it’s the same color as the ad photo
For reference my husbands 5’11 and 225lbs totally recommend and it’s cotton.
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Reviewed in the United States on March 17, 2026
★★★★★ 5
Good Product
Color: White, Size: XX-Large
Good Product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026
