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5.3/LS3 Small Bore | Factory Mast | As Cast | Cylinder Head - Single Bare

Marsoni M251S
Sale price$457.48
Pay 4 payments of $114.37 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
5.3/LS3 Small Bore | Factory Mast | As Cast | Cylinder Head - Single BareIntroducing 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
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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.
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Jeremy Cates
Chelsea, US
★★★★★ 5
Good quality for the price point
Color: Luminous watch black face
People think its a pricey watch but we know what we paid for it lol.
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Reviewed in the United States on May 16, 2026
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Gregory
Boise, US
★★★★★ 5
Great value
Size: X-Large, Color: White
Excellent fit. Great value and very comfortable.
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Reviewed in the United States on December 29, 2025
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gary
Dallas, US
★★★★★ 5
Men's Mock Turtleneck T-shirt
Size: Medium, Color: White
I'm happy with the shirt, it was as advertised. Thanks for the fast service
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Reviewed in the United States on February 21, 2026
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robert
Lexington, US
★★★★★ 4
I always like turtlenecks
Size: X-Large, Color: Black
Very comfortable
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jack
Cuba, US
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Mark T T-shirt
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I’m content nice quality good price works for me
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Reviewed in the United States on December 12, 2025

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