★★★★★ 5
DIY forget the dealer
DIY value
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Reviewed in the United States on March 25, 2026
LT4 Supercharger PCV Vacuum Port Plug
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
LT4 Supercharger PCV Vacuum Port PlugLT4 Supercharger PCV Port Cover A must have for aftermarket valley pans or LT4 supercharger swaps The LT4 Supercharger PCV Plug is a crucial component for builds using aftermarket valley pans or when installing an LT4 supercharger onto an LS engine without a PCV port in the valley pan. This plug is designed to seal securely using the factory PCV port seal and is retained with a durable E clip, eliminating any chance of the plug coming loose during
Quick Dispatch:
Your LT4 Supercharger PCV Vacuum Port Plug 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 LT4 Supercharger PCV Vacuum Port Plug 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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4.8 ★★★★★
Based on 1692 reviews
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Product Reviews
★★★★★ 5
Works
Decent quality, somewhat flimsy, not bad for the price. Fit perfectly, correct thickness.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 17, 2025
★★★★★ 5
great and the price is right
Fits perfectly and was very reasonable compared to the Oil change place.
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Reviewed in the United States on December 25, 2025
★★★★★ 5
Good product
It fits like it is supposed to.
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Reviewed in the United States on August 19, 2025
★★★★★ 5
Easy to install.
Works as intended. Easy to install.
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Reviewed in the United States on July 13, 2025
