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Description
Manley Severe Duty Series Small Block Chevy Stainless Steel Exhaust Valves - Set of 8Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust valves, tested at 40,000 psi and 1400? F, impressively endured up to 100,000,000 (one hundred million) cycles. In contrast, competitors' offerings failed after just 100,000 cycles, showcasing a
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust valves, tested at 40,000 psi and 1400?F, impressively endured up to 100,000,000 (one hundred million) cycles. In contrast, competitors' offerings failed after just 100,000 cycles, showcasing a staggering 1000 times better fatigue life.Designed for High Temperature Gasoline Engines: Engineered for superior performance in high-temperature gasoline engines.Chrome Stems and Hard Tips: Incorporating chrome stems and hard tips for enhanced durability and longevity.Optimized Combustion: Swirl polished under head areas and fully machined combustion faces for improved airflow and combustion efficiency.XH-428 for Exhaust: No competitor worldwide offers the exceptional XH-428 as exhaust valve material. It boasts nearly double the ultimate tensile strength at 1500?F compared to the competition's EV-8.NK-844 for Intake: Our intake valve material, NK-844, is equally unmatched, displaying over four times the ultimate tensile strength of the competition's best intake valve material at 1000?F.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
A Civilization in Transition: Can Humans Make the "Jump" to Hyperspace?
Format: Hardcover
Though there is ample evidence to suggest that humanity has been visited by "off-planet" beings or relatives since as far back as any recorded history in stone or on paper, with the advent of technologies bringing us closer to an enlightenment or a destruction, UFO/UAP events seem to becoming more frequent. And more accepted. When UFO...CONTACT FROM THE PLEIADES v I and II were first published 45 years ago few people had a personal computer in their homes let alone any digital technology whatsoever. There were gains in human rights protections along with ecological study and the awareness of the importance to "love our Mother." (Earth) So it may not be so unreal to consider that one specific human, a farmer in rural Switzerland was chosen for multiple contact events and allowed to capture photographs, audio recordings, films and even metallic samples from OP visitors for the purpose of helping humanity expand its consciousness to the next level.
This reissue tells such a story with vivid photography, detailed analysis and skilled reporting having used the most advanced non-civilian equipment available at the highest levels in its day. Furthermore, time has only affirmed that none of the photographs or video from the Billy Meier case have proved to be fake or forged in any known way.
This is the book for searchers interested in the "nuts and bolts" of ufology. And yet...
Whether you believe in UFOs or off-planet visitors is really beside the point here. The deeper point - and the not so hidden purpose revealed through the messages given to Billy Meier from Semjase, a Pleiadean traveler who contacted Meier over 100 times in the 1970s - is to consider if each one of us is capable of suspending disbelief long enough to be curious, which takes an open heart. And if we open our hearts, how can we do harm to ourselves, our planet, or others in the universe? And if we can achieve "do no harm" what else could we achieve? Hyperspace? Telepathy? A humane civilization where no one goes hungry or homeless? The point is whether or not we are ready, collectively, to expand our consciousness.
After reading this book, I want to take that leap!
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Reviewed in the United States on May 3, 2024
★★★★★ 5
A wonderful book !l
Format: Hardcover
No doubt the subject of UFO's and ET's is a challenging subject. But the Billy Meier story is certainly one of the very best. This book is masterwork that warrants the highest rating. The photos are extraordinary and the story line is superb. Buy a copy or several for yourself and for gifts .
A. very happy customer ....indeed.
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Reviewed in the United States on October 22, 2024
★★★★★ 5
Amazingly well written
Format: Hardcover
Nice book. Pictures and honest interviews and reports via credible down to earth persons.
They don't weigh you down with hundreds of pages to read. Well done
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Reviewed in the United States on September 15, 2024
★★★★★ 5
Beyond Expectations
Format: Hardcover
Since I have had several experiences I am always looking for something legitimate -something that looks into the heart and truth of the material and comes out authentic to the core - I love this book - It far exceeds what I expected and am very happy I ordered it to add to my collection. This will be on the top of the stack! The only down side is that amazon packaged it rougly where it slid freely about in an overlarge box --This ended up tearing the top of the dj rear --- :( I do hope they do not pack all orders for this bk that way - if there are notes you can add to your order you might request book packaging or something more durable than sliding loosely about I found out about this book on the newsletter I receive from Shirley MacClaine - she always has valuable nuggets to share !!!
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Reviewed in the United States on April 23, 2024
★★★★★ 5
Most comprehensive graphic portrayal of WW II Battlefield
Format: Hardcover
Likely the most comprehensive graphic portrayal of WW II and fairly priced. Excellent quality book.
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Reviewed in the United States on April 13, 2026