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"> Cathedral Port 245cc 4.000"(+) Bore - Single Black Label CNC Cylinder Head - Bare-qacveteransupport.org Skip to content

Cathedral Port 245cc 4.000"(+) Bore - Single Black Label CNC Cylinder Head - Bare

Marsoni M251S
Sale price$915.48
Pay 4 payments of $228.87 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Cathedral Port 245cc 4.000"(+) Bore - Single Black Label CNC Cylinder Head - Bare>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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John
Grantham, US
★★★★★ 2
Weird Smell
Good for but the carbon has a weird smell. I have a sensitive nose and I'm not a fan. Going to replace with a regular filter without the activated carbon.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 1, 2025
K
Verified Purchase
kevin
Boise, US
★★★★★ 5
Great price
Perfect fit great quality
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Reviewed in the United States on May 19, 2026
M
Verified Purchase
Matt Long
Phoenix, US
★★★★★ 5
Perfect fit
Great quality filters, both fit snug
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Reviewed in the United States on May 6, 2026
R
Verified Purchase
Robert
Houston, US
★★★★★ 5
Great price
2018 Honda Civic EXL Turbo great fit, great price!
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Reviewed in the United States on March 15, 2026
S
Verified Purchase
stuart a hannan
Louisville, US
★★★★★ 4
Good fit.
Good fit.
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Reviewed in the United States on October 29, 2025

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