★★★★★ 5
very good
Size: 7.5, Color: Cognac
veryyyy gooood
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 29, 2026
LS3 Medium Bore | Factory Mast | CNC Ported | Cylinder Head - Single Bare
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
LS3 Medium Bore | Factory Mast | CNC Ported | Cylinder Head - Single BareWe took the Factory Mast LS3 and CNC ported it for even more improvement. Our Factory Mast Cylinder Head starts out with our "as cast" port which we now offer a CNC port for more airflow. This allows for an additional option and price point over our As Cast Port version and our Premium Black Label LS3. ***Download your Cylinder Head Technical Sheet here*** We launched our Factory Mast product line to deliver an economical product line for our
Quick Dispatch:
Your LS3 Medium Bore | Factory Mast | CNC Ported | 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 Medium Bore | Factory Mast | CNC Ported | Cylinder Head - Single Bare 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 1750 reviews
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Product Reviews
★★★★★ 5
Nice shoes
Size: 9, Color: Cognac
My Husband loves it 😍
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026
★★★★★ 4
I just need the size 12
Size: 12, Color: Tan
Gm.i made a mistake the first time when I order the size 13. I return it because it was to big .so I reorder a size 12 now am looking at my order they still sending me the same size 13 i will have to return it again because it is to big sorry I dont know what going
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 3
Worth the price
Size: 10, Color: Tan
A little tie on the valley,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Good
Size: 9, Color: Black
Good good good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 24, 2025
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