


5.3/LS3 Small Bore | Factory Mast | As Cast | Cylinder Head - Pair
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
5.3/LS3 Small Bore | Factory Mast | As Cast | Cylinder Head - PairIntroducing one of the first 5. 3 Liter LS3 cylinder heads designed for use with the LS3 intake without adapters. Optimized for 3. 780 bore diameter. ***Download the Tech Sheet Here*** We launched our Factory Mast product line to deliver an economical product line for our customers. You have come to love the "Black Label" Cylinder heads, but now you can get the same quality at a lower price without SACRIFICING performance. Manufactured using permanent
Quick Dispatch:
Your 5.3/LS3 Small Bore | Factory Mast | As Cast | 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 5.3/LS3 Small Bore | Factory Mast | As Cast | 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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★★★★★ 1
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Reviewed in the United States on May 21, 2026
★★★★★ 4
Good toy for dogs
This is a great toy! I do wish the handle was a little longer because I do not have a lot of upper body strength due to health issues. I can still throw with this further than I can without the launcher so my dogs really love it and get excited any time I get this out!
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Reviewed in the United States on May 6, 2026
★★★★★ 2
Good throw, bad ball
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Good play!!!
Great item 😊
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