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Description
Manley Ford 351C 2.190 Inch Head Diameter / .341 Inch Stem / 5.244 Inch Length ( Set of 8)Manley Severe Duty Valves deliver the ultimate in strength, reliability, and high performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH 428 for exhaust and NK 844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400F, Manley exhaust valves endured 100 million cycles, while competitors failed after just
Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400°F, Manley exhaust valves endured 100 million cycles, while competitors failed after just 100,000, proving a 1,000× longer fatigue life. Each valve features chrome stems, hard tips, and swirl-polished underheads with fully machined combustion faces for superior airflow, efficiency, and wear resistance. Built for those who demand race-winning strength and precision, Manley Severe Duty® Valves set the industry standard for performance and endurance.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.2 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
moelicious
Format: Hardcover
i cant wait to read it!!!!!
It came in great condition just like the ones I bought in australia
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2009
★★★★★ 3
not as funny as others
the other simpsons libary of wisdom books are better. but still a fun read and good for the price. Moe
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Reviewed in the United States on April 10, 2013
★★★★★ 5
Great product minus the shipping
Format: Hardcover, Format: Hardcover
The product itself is great. I’m loving this graphic novel collection. My gripe is with the way in which it was shipped. A heavy box set like this needs more shipping protection than the thin bubble wrap package it was shipped in, as it sustained quite a bit of damage in shipping to the outer box. I contemplated returning this, but since books were undamaged I decided to keep it. It is still a bit disappointing though. Great price though and it shipped very quickly.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Graphic novel
Format: Hardcover
Great gift for teenage boy.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Dune
Format: Hardcover
Excellent
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Reviewed in the United States on March 23, 2026
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