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Radium Engineering FCST-X Fill Neck Block-Off Kit

Marsoni M251S
Sale price$18.95
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Get it in 3 business days with 1 day shipping. Friday, May 29
Radium Engineering FCST-X Fill Neck Block-Off KitSKU: 20 1060 FCST X Fill Neck Block Off Kit This kit blocks off the filler hole on the Radium FCST X units. Included: Anodized 1 8in (3mm) Aluminum Plate FKM O ring Gasket Seal Stainless Steel Hardware RADIUM Engineering, LLC Since 2010, Radium Engineering's goal has been to simply design and produce high quality aftermarket automotive performance products. Radium Engineering relies on a core team with a passion for innovation to lead the company
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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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4.1 ★★★★★
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Verified Purchase
Anthony Honny
Chelsea, US
★★★★★ 4
Boys linen suit
Size: 10, Color: Light Blue
Looks great. Just wish it included a shirt
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
D
Verified Purchase
Denise
Grantham, US
★★★★★ 5
Great product
Size: 10, Color: Light Champagne, Size: 10, Color: Light Champagne
Not bring the tshirts but fit really good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 10, 2025
T
Verified Purchase
Tania S
Houston, US
★★★★★ 5
Very comfortable
Size: 14, Color: Light Green
I received so many compliments on my son’s outfit for graduation. 
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 26, 2025
H
Verified Purchase
Heissel S.
Grantham, US
★★★★★ 1
no pure white.
no pure white.
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Reviewed in the United States on February 4, 2026
F
fnlhalas
Massapequa, US
★★★★★ 5
suit
Size: 12, Color: Beige
Very nice suit set. size 12. seems to fit as expected. I love the quality. It does have multi colored thread, as it is not solid.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 21, 2025

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