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LS3 Medium Bore | Factory Mast | CNC Ported | Cylinder Head - Single Bare

Marsoni M251S
Sale price$800.00
Pay 4 payments of $200.00 a month.Shop Pay
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
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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
4.7 ★★★★★
Based on 624 reviews
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Verified Purchase
Elizabeth Henderson
New York, US
★★★★★ 4
Very narrow
Size: 10 Wide, Color: Cognac
Run narrow. For very narrow feet. Wide width fits like a regular width.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2026
M
Verified Purchase
MCSpellman
Alexandria, US
★★★★★ 5
Walking in Style
Size: 9, Color: Black
Live these dress slipons. Very comfortable and stylish. Can be worn for casual or formal. Size is true to what is stated in the description. Quality seems to be well made. White soles are easy to clean with a damp cloth. Highly recommended
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
D
Verified Purchase
Dennis harrington
Cuba, US
★★★★★ 3
My heel collapsed the back a few times
Size: 11, Color: Black Grainy Leather
Love everything about these shoes light comfortable look great
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Reviewed in the United States on March 2, 2026
D
Verified Purchase
Dianne
Louisville, US
★★★★★ 5
Men’s oxfords
Size: 10.5, Color: Black
Good quality and perfect fit
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Reviewed in the United States on March 22, 2026
F
Verified Purchase
Fletch
San Leandro, US
★★★★★ 5
Overall Great.
Size: 10.5 Wide, Color: Black
Great product. Great value. Great style. Overall great.
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Reviewed in the United States on March 3, 2026

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