LT4 Pair Black Label Head - 4.125 (+) Bore - For Direct Injection - Stainless Steel or Titanium Valves

LT4 Pair Black Label Head - 4.125 (+) Bore - For Direct Injection - Stainless Steel or Titanium Valves

Marsoni

M251S

$2095.00

Get it in 3 business days with 1 day shipping. Friday, May 29

LT4 Pair Black Label Head - 4.125 (+) Bore - For Direct Injection - Stainless Steel or Titanium Valves>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.
To process your return/exchange, please contact us at [email protected]
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Vehicle: 2020 Honda Accord LX 1.5T CVT The stealership wanted $60 in my area to change this out. Just look up online how easy it is to do it yourself. Can easily be handled in a minute. The only real thing to note is that it took almost a full gas tank for the car's computer to re-learn how to idle smoothly again. Of course, this is because it learns to compensate for the old dirty filter. So it has to get used to the new/fresh one. Overall, the look and feel of this product is great. Very similar to OEM. After the idle smoothed out it's virtually identical in performance. Would recommend to anyone.

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Reviewed in the United States on May 1, 2024

Verified Purchase

kathleen centopani

West Palm Beach, US

★★★★★ 5

Good purchase

Size: (Pack of 1)

Worked good.

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Reviewed in the United States on March 8, 2026