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Description
Mahle Original Standard Piston Ring Sets 4.00" Bore Cast # 50564.STDMahle Original Standard Piston Ring Sets 4. 00" Bore Cast # 50564. STD Mahle Product Details Piston Rings, Standard Piston Ring Sets, Cast Iron, 4. 000 in. Bore, 5 64 in., 5 64 in., 3 16 in. Thickness, V8, Set Bore (in.): 4. 000 in. Bore (mm): 101. 600mm File Fit: No Gapless: No Gas Ported: No Top Ring Included: Yes Top Ring Thickness: 5 64 in. Top Ring Material: Cast iron Top Ring Facing Material: Cast iron Second Ring Included: Yes Second Ring
Mahle Original Standard Piston Ring Sets 4.00" Bore Cast # 50564.STDMahle
Product Details
Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set
Bore (in.):
4.000 in.
Bore (mm):
101.600mm
File Fit:
No
Gapless:
No
Gas Ported:
No
Top Ring Included:
Yes
Top Ring Thickness:
5/64 in.
Top Ring Material:
Cast iron
Top Ring Facing Material:
Cast iron
Second Ring Included:
Yes
Second Ring Thickness:
5/64 in.
Second Ring Material:
Cast iron
Second Ring Facing Material:
Iron
Oil Ring Included:
Yes
Oil Ring Thickness:
3/16 in.
Oil Ring Tension:
Standard
Oil Ring Material:
CP-20
Quantity:
Sold as 8 sets.
Mahle Original Standard Piston Ring Sets
Mahle is the world's largest manufacturer of piston rings. Their tremendous research and development and extensive OE connections mean that Mahle Original standard piston ring sets have the technological edge. Things like narrow compression rings, steel compression rings for gasoline engines, low-tension oil rings, and coated compression rings for diesels all came from OE. Mahle's entire Original line proves time and again that it should be the ring of choice under every hood - regardless of the application.Mahle Original standard piston rings offer high tensile strength, high yield strength, and excellent hardness with low ring mass. These factors lead to stress resistance, minimal groove pound-out, long service life, cylinder conformability, oil economy, and good blow-by control with low friction. Whether you're repairing a modern computer-controlled engine, or rebuilding an older engine, be sure to specify Mahle Original standard piston ring sets (formerly Perfect Circle) trusted by professional automotive technicians for over 100 years.
Specifications
SKU
50564.STD
Brand
Mahle
Shipping Cubic
0.000000000m3
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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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]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Get this if you draw, write, play touch games
Model: iPad Pro 11,iPad Air 5th/4th
The quality of the screen protector is great, easy to put on without the video. i love how it really feels like writing on paper with my pen especially drawing. I will definitely be buying more for myself,mother and siblings. It’s a good fit for my iPad Air 4th gen and a bang for the buck
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Reviewed in the United States on May 25, 2026
★★★★★ 4
Good but Installation was a Bit Iffy
Model: iPad A16 11th/10th/Air 11
90% of the time I use my iPad for school. Originally, I used just a regular screen protector, but it would get dirty with smudges and imprints from my Apple Pencil, and there would be a lot of glare since I'm in a classroom most of the time, which would make it awkward to see what I was writing at times. Plus, the screen protector was too smooth so it would actually be difficult to write legibly.
This product makes it a lot easier to write smoother on the iPad. I only just installed it, so I can't say much on the smear protection yet, but I can already see the reduction in glare as well. For $8, getting a pack of two of these with an install kit is a very nice deal imo.
My only issue was the installation process, which could've been as much my own fault tbh, but I felt like I aligned the screen protector pretty well with the sticker, however the first time I tried installing it it was way off the center (maybe my case got in the way?). The biggest issue was using the squeegee to pop air bubbles, and this is something they don't mention in neither their instruction guide nor video, but you're supposed to used the velvet red side, not the naked white side: using the white side actually takes the grit off the protector, which is obviously something you don't want on a product that relies on it. Thankfully I have another one in reserve in case this one wears off sooner than expected.
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Reviewed in the United States on October 7, 2025
★★★★★ 5
Perfect Paperlike substitute
Model: iPad Air/Pro 13
I’ve been using this screen for roughly two months now and I can say it was so worth it, it is rough on plastic nibs! I am going to order some heavier duty ones and see how it fairs! It works just fine ON TOP of a screen protector isn’t that great!
I wanted something like paper like but didn’t want to pay that expensive price for something I wasn’t sure I was going to like. This one does the trick and gives me just enough resistance to feel more in control of my pen!
It fits well just make sure to know the size if your screen I had to modify where the camera indent was but it cut just fine and looks great!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Game changer for Note Taking
Model: iPad A16 11th/10th/Air 11
Great quality, great price, easy to apply. Has completely changed the way I use my iPad and how it feels to write on it.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Feels like paper and makes writing fun!
Model: iPad A16 11th/10th/Air 11
I was hesitant to start using my iPad for class because I HATED how my Apple Pencil sounded hitting the screen while I was writing.
This product has completely changed my mind and now I use it almost daily! I love the feel of this screen and it has lasted all semester long. It was a little tricky getting the screen on just right, and I had to use both because the first time I had a bunch of air bubbles, but the second time was perfect! I think you would probably want to get a new screen every year to ensure it still has that paper-like feel, but I think that’s totally reasonable!
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Reviewed in the United States on April 24, 2026