Download the cylinder head spec sheet< The Mast Motorsports cylinder head product line is completely manufactured from a raw casting to a finished cylinder head in the USA located in Nacogdoches Texas. Mast refuses to compromise on materials and methods that may jeopardize longevity, performance, and quality. When buying Mast Cylinder heads, you are getting the highest level of quality and performance on the market. Full Send, no compromises, no"> Download the cylinder head spec sheet< The Mast Motorsports cylinder head product line is completely manufactured from a raw casting to a finished cylinder head in the USA located in Nacogdoches Texas. Mast refuses to compromise on materials and methods that may jeopardize longevity, performance, and quality. When buying Mast Cylinder heads, you are getting the highest level of quality and performance on the market. Full Send, no compromises, no"> Download the cylinder head spec sheet< The Mast Motorsports cylinder head product line is completely manufactured from a raw casting to a finished cylinder head in the USA located in Nacogdoches Texas. Mast refuses to compromise on materials and methods that may jeopardize longevity, performance, and quality. When buying Mast Cylinder heads, you are getting the highest level of quality and performance on the market. Full Send, no compromises, no"> LS3 240cc 3.890" (+) Bore - Pair Black Label CNC Cylinder Head-www.bike-passion.ch Skip to content

LS3 240cc 3.890" (+) Bore - Pair Black Label CNC Cylinder Head

Marsoni M251S
Sale price$2024.50
Pay 4 payments of $506.12 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
LS3 240cc 3.890" (+) Bore - Pair Black Label CNC Cylinder Head>Download the cylinder head spec sheet< The Mast Motorsports cylinder head product line is completely manufactured from a raw casting to a finished cylinder head in the USA located in Nacogdoches Texas. Mast refuses to compromise on materials and methods that may jeopardize longevity, performance, and quality. When buying Mast Cylinder heads, you are getting the highest level of quality and performance on the market. Full Send, no compromises, no
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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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4.1 ★★★★★
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Verified Purchase
Carla
Charlottesville, US
★★★★★ 5
Very stylish
Size: X-Large, Color: Black
Really nice… my husband received a lot of compliments on our cruise!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
R
Verified Purchase
Ronald Boast
Chelsea, US
★★★★★ 3
Nice blazer
Size: X-Large, Color: Black, Size: X-Large, Color: Black
Product was as described, son wanted it for a dance. Had it taken in a little for more custom fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 18, 2025
V
Verified Purchase
VGood
Alexandria, US
★★★★★ 5
Really stylish
Size: Medium, Color: Black
Looks great. My son wore to a concert for Valentines day. His gf wore a copper dress...looked so good together.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
C
Verified Purchase
CRUZAN1
Lexington, US
★★★★★ 1
Sizing issues
Size: 3X-Large, Color: Blue-square Plaid
Sent it back. Runs super small
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Reviewed in the United States on December 7, 2025
B
Verified Purchase
Brownie
Natrona Heights, US
★★★★★ 5
Perfect fit
Great vest, looks great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 13, 2023

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