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Description
TOMEI BERY-RING SET For MITSUBISHI EVO 4G63 163101Brand TOMEI Product Number 163101 Compatible Car MITSUBISHI EVO Compatible Engine 4G63 Product Description The function of which valve sheet is asked, is maintaining air tightness with a valve, and generally wear resistance is required. However, with the engine used by high rotation and high load, the cooling performance of a valve sheet becomes very important further, and it is greatly concerned with an engine output. When engine is high rotation and
| Brand | TOMEI |
| Product Number | 163101 |
| Compatible Car | MITSUBISHI EVO |
| Compatible Engine | 4G63 |
| Product Description | The function of which valve sheet is asked, is maintaining air tightness with a valve, and generally wear resistance is required. However, with the engine used by high rotation and high load, the cooling performance of a valve sheet becomes very important further, and it is greatly concerned with an engine output. When engine is high rotation and high load, it is impossible to achieve high output from the engine if cooling performance of the cylinder is low and knock limit does not become high, since the temperature of the circumference of a cylinder head rises unusually. In racing engine that temperature needed to be carefully controlled, how much you can cool the circumference of the sheet ring is the important issue, and the technique of using high heat conduction metal, such as copper for a sheet ring, has been taken.Copper has one of the highest thermal conductivities through all metal that enables receiving heat from cylinder and cool it down quickly by transmit the heat to the cylinder head (Degree of heat conduction:. 1.silver, 2.copper, 3.gold, 4 .aluminium, ... 10. cast iron -.. STD) We select beryllium copper alloy (BeCu) that can secure mechanical intensity most in the copper alloy, which has ideal fatigue resistance and wear resistance while securing a preeminent cylinder cooling performance We named it "bery-ring" and applied to the high performance turbo charged engine APPLICATION:. 4G63 IN / EX SET MATERIAL: Beryllium (BeCu)silver, 2.copper, 3.gold, 4.aluminium, ... 10. cast iron -. STD) We select beryllium copper alloy (BeCu) that can secure mechanical intensity most in the copper alloy, which has ideal fatigue resistance and . wear resistance while securing a preeminent cylinder cooling performance We named it "bery-ring" and applied to the high performance turbo charged engine APPLICATION:. 4G63 IN / EX SET MATERIAL: Beryllium (BeCu)silver, 2.copper, 3.gold, 4.aluminium, ... 10. cast iron -. STD) We select beryllium copper alloy (BeCu) that can secure mechanical intensity most in the copper alloy, which has ideal fatigue resistance and . wear resistance while securing a preeminent cylinder cooling performance We named it "bery-ring" and applied to the high performance turbo charged engine APPLICATION:. 4G63 IN / EX SET MATERIAL: Beryllium (BeCu)br> IN / EX SET MATERIAL: Beryllium (BeCu)br> IN / EX SET MATERIAL: Beryllium (BeCu) |
| Remarks | |
| Notes | Images are for illustration purpose only. Actual product may vary. |
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4.6 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
My Aussie loves this bone!
This wishbone is so durable! My Australian shepherd is a big cheese and this is her go-to chew toy. It's a fave! She has spent HOURS chewing on this bone and it has held up super well. It has no smell but understand she can taste the flavor of it. I love having something she can chew on that is safe for her that she enjoys. Great value.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Durable, Great Value Dog Bone!
We’ve ordered several of these that have lasted for months, and my dogs are still working on them. Months. That alone feels like a small miracle. Normally, chews last about 10 minutes. Not this one. This thing is built like it trained for battle. It keeps them busy, satisfied, and focused on something that is actually meant to be chewed.
And the best part? It’s way more affordable in the long run. Instead of constantly buying new toys, chews, or replacing destroyed shoes, this one just keeps going. Definitely worth every penny and then some.
If you have determined chewers, this is the chew/bone you’ve been looking for.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Dog loves this
My dog absolutely loves the shape of these and will play with it for hours. The material is pretty durable too, though he is a big lab so over time chewed away the top nubs. Eventually tossed it at that point, but got great use out of it before. No bad smell and my pet really enjoys playing with it. It’s not too big either and is really easy to take with you on trips, etc. have bought multiple!
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Reviewed in the United States on April 17, 2026
★★★★★ 4
Dog liked it, chewing cat did not
My dog liked it, but I actually got it for my cat that insists on chewing on everything. However, he refused to chew on this toy. He sniffed it once and walked away. So, for dogs I guess it's a decent chewy...
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Reviewed in the United States on February 24, 2026
★★★★★ 5
My dachshund loves this bone
My dog absolutely loved this bone!! He has other bones but always resorts back to this one. It’s easy for him to hold and enjoy at the same time. It is very durable.
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Reviewed in the United States on June 7, 2026
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