


LS3 Large Bore | Factory Mast | As Cast Port | Cylinder Head - Single Bare
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
LS3 Large Bore | Factory Mast | As Cast Port | Cylinder Head - Single BareLimited QTY. Available >Download Your Cylinder Head Spec Sheet Here< Introducing the Factory Mast "As Cast" Port Cylinder Head. We launched our Factory Mast product line to deliver an economical product line for our customers. We completely engineered and manufactured our long standing best in class CNC port into an "As Cast" port. This new process saves a significant amount of time and manufacturing cost, which is savings we pass down to you. You
Quick Dispatch:
Your LS3 Large Bore | Factory Mast | As Cast Port | Cylinder Head - Single Bare 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 LS3 Large Bore | Factory Mast | As Cast Port | Cylinder Head - Single Bare ships.
Need Help?
Questions about LS3 Large Bore | Factory Mast | As Cast Port | Cylinder Head - Single Bare, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for LS3 Large Bore | Factory Mast | As Cast Port | Cylinder Head - Single Bare in your area.
Get Shipping Estimates
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
You may also like
4.9 ★★★★★
Based on 1441 reviews
Sort
Product Reviews
★★★★★ 5
👍🏻
Color: Black, Army Green, Light Gray, Size: 5X-Large
Weirdly thick material, I wasn’t a fan but it’s a good sleep shirt
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Just what I wanted.
Color: Black, Navy Blue, Wine Red, Size: 5X-Large
These may have just become my standard shirt to wear. Feels good whether tucked or out. Drapes well and fits well. So far, I can see it adjust to the different undershirt I may wear. Will probably order another set in other colors and a back up set of the basics because they will get worn a lot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 17, 2025
★★★★★ 3
Its alright
Color: Black, Size: 5X-Large
True to size per the size chart. The fabric is soft but it it feels cheap to me. It attracts lint but you can brush it off easily so its not the cheapest material I've dealt with. Also, it is opaque (not see through).
There is no front/ back indicator either which is indicative of a cheap shirt in my opinion. Would be friendly for tag sensitive people (to stay positive).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
★★★★★ 5
Fit and colors are perfect
Color: Black, White, Apricot, Size: Large
They fit very well, I got them for my husband and he was very excited for the style & fit i am actually going to buy him another pack
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 7, 2025
★★★★★ 1
Fuzzballs get wearing once
Color: Black, Size: X-Large
Very smart to wear, but the quality is terrible so after one wash the collar start fraying and fuzzballs start forming.
Very disappointing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
recommand products
6" x 6" Square Rain Machine®-1.5 GPM in Multiple Finishes
122.50
SHOWERALL® 4 Function Showerhead with JX7® Technology with Pause Control in Multiple Finishes
69.00
10" Round Rain Machine®-1.75 GPM in Multiple Finishes
212.50
Massaging Square Body Spray in Multiple Finishes
150.00
Cylindrico 5 Showerhead- 1.5 GPM in Multiple Finishes
145.00