


LS3 Medium Bore | Factory Mast | CNC Ported | Cylinder Head - Pair
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
LS3 Medium Bore | Factory Mast | CNC Ported | Cylinder Head - PairWe 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 - Pair 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 - Pair 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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Flavor Name: Duck & Veggies, Size: 5 Ounce (Pack of 1)
My girl loves these, and they fit most of the treat dispensing toys we have. Perfect for quick training treats too!
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Reviewed in the United States on December 11, 2025
★★★★★ 5
Perfection!
Flavor Name: Duck & Veggies, Size: 5 Ounce (Pack of 1)
Wonderful treat. My pups go wild and bounce around with pure joy. I have to hide the bag because these two figured out a whole MacGyver plot to snag them when I wasn’t looking. Cheeky little boys.
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Reviewed in the United States on December 8, 2025
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Flavor Name: Duck & Veggies, Size: 5 Ounce (Pack of 1)
Odin loves them.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
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Flavor Name: Duck & Veggies, Size: 5 Ounce (Pack of 1)
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Reviewed in the United States on December 15, 2025
★★★★★ 5
good training treats
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