★★★★★ 4
Buen material
Size: Small, Color: Stone Grey 1 Pair
Son cómodas y de buen material.
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Reviewed in the United States on May 30, 2026
Nitrous Express 4 Cyl Piranha Nitrous Kit (For EFI Applications) w/1.4lb Bottle
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Nitrous Express 4 Cyl Piranha Nitrous Kit (For EFI Applications) w/1.4lb BottleNitrous Express. FOUR CYLINDER PIRAN Direct port system for 4 cylinder engine with factory EFI. Complete with Lightning nitrous and fuel solenoids braided stainless hoses four Piranha nozzles fuel pump with fuel tank outlet kit relay microswitch arming switch jetting for 40 60 100HP. Cpmes with a 1lb Bottle and two stainless steel bottle brackets. Direct port system for 4 cylinder engine with factory EFI. Complete with Lightning nitrous and fuel
Quick Dispatch:
Your Nitrous Express 4 Cyl Piranha Nitrous Kit (For EFI Applications) w/1.4lb Bottle orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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.
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4.8 ★★★★★
Based on 158 reviews
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Product Reviews
★★★★★ 5
Great value and fit!!
Size: Small, Color: Stone Grey 1 Pair
Excellent socks for the price!! Fast shipping with Prime!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
★★★★★ 5
Comfortable and breathable
Size: Medium, Color: Coyote Brown 4 Pairs
Super comfortable socks that breathe well in my Danner steel toes. Not a lot of shrinkage in the wash so they fit right over and over. Don’t slide down your legs.
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Reviewed in the United States on September 14, 2025
★★★★★ 5
Good
Size: Large, Color: Stone Grey 4 Pairs
Good
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Reviewed in the United States on April 29, 2026
★★★★★ 3
Not enough underfoot padding
Size: Medium, Color: Coyote Brown 4 Pairs
Socks are well made but would be better if they had thicker padding under the toe and heal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 2, 2025
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