


5.7 Liter GM LT Gen V | Aluminum Block Engine | Port Injected | Factory Mast Heads
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
5.7 Liter GM LT Gen V | Aluminum Block Engine | Port Injected | Factory Mast HeadsPort Fuel Injection Long Block + Factory Mast Long Block (+) Crate Engine Combination What is a long block plus? It is a budget conscious complete long block that you can simply add the final touches to for a complete engine package. With so many options to choose from, you can pick what you need for each application and vehicle integration. Factory Mast Starts with the GM LT Base (GenV) engine and carefully assembles for maximum quality and
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Your 5.7 Liter GM LT Gen V | Aluminum Block Engine | Port Injected | Factory Mast Heads orders ship within 1-2 business days.
Delivery Options:
- 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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4.9 ★★★★★
Based on 889 reviews
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Product Reviews
★★★★★ 5
Stretchy Material and Cooling Fabric
Color: Light Gray, Size: Standard, Color: Light Gray, Size: Standard
Material: is very stretchy and cools well. It has a zipper which is good because the fabric is very soft and slippery and if it didn’t have a zipper the pillow would not stay in the case.
Durability: zipper works great and material is easy to clean.
Color: I have the gray and my daughter has the pink. Both colors as advertised.
Value: Good value and I got what I expected.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 4
Very soft and cool.
Color: Dark Gray, Size: Queen
Very comfortable and cooling. But after a couple of washes the stitching starts to unravel.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
Love them
Color: Black, Size: Standard
I LOVE THESE PILLOW CASES. I love the zipper so it stays on the pillow, how it stays cool, and the fabric. Worth it 100%
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
★★★★★ 5
BUY IT!!
Color: Light Gray, Size: Standard
Love the material super soft and smooth like silk. It’s also nice and cold for when I got to bed! Definitely recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
★★★★★ 5
Actually feels cool at night
Color: Light Gray, Size: Standard
I’ve been using these for several days now and I did notice a difference. I tend to get hot while sleeping, so I was curious if they would actually help, and they do feel cool when you lay on them. I also like that they’re soft and comfortable, not that weird texture some “cooling” products have. So far, I’ve been really happy with them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
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