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Description
Wagner Tuning Cylinder Head Stud Set - Audi / A3 8L 1.8TVAG 1. 8T Pro Series 18. 8 Cylinder Head Stud Set Replacing the original cylinder head screws with high strength Pro Series 18. 8 studs. This is necessary when making large increases in performance, as the original cylinder head screws elongate during operation and the cylinder head can lift off. The Pro Series 18. 8 stud bolts with a tensile strength of 1850 N mm provide a solution to this. In addition, these stud bolts do not have to be replaced
VAG 1.8T Pro-Series 18.8 Cylinder Head Stud SetReplacing the original cylinder head screws with high-strength Pro-Series 18.8 studs.
This is necessary when making large increases in performance, as the original cylinder head screws elongate during operation and the cylinder head can lift off.
The Pro-Series 18.8 stud bolts with a tensile strength of 1850 N / mm� provide a solution to this.
In addition, these stud bolts do not have to be replaced after dismantling, but can be reused.
Technical details:
Manufacturer part number: P101021010
Kit content: 10 stud bolt (M10) / 10 nut (M10) / assembly paste / assembly instructions
Tensile strength: PS 18.8 steel / 1850+ N/mm� (270.000+PSI)
The Pro-Series 18.8 sets are high-strength stud bolts manufactured in Germany.
A special steel is used which, after tempering, has a tensile strength of 1850 + N / mm�.
All threads are formed and not cut as usual. The so-called rolling of threads can increase the strength of the tooth flanks by around 30%. All Pro-Series products are supplied with a nickel coating protecting against corrosion in the long term, even under the toughest conditions. Pro-Series stud bolts have a hexagon socket drive on the head side for screwing in the stud bolts. Due to a cone on the engine block side of the bolt, these are not supported on the thread flanks when the nuts are tightened, but in the bore of the thread in the engine block. This support protects the threads when racing engines are frequently rebuilt.
Pro-Series advantage over other manufacturers is the nuts and washers included in the set, these also have a tensile strength of 1850 N / mm�.
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4.2 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Dog loves them
Size: 6 Inch, Color: Independence Day
My dog loved the first ball I got her, so I got her a second one. Both hhavr been very durable (she likes to puncture things with her teeth). I left each ball slightly deflated, so they were still firm, but she could bite them without issues. She has not punctured either ball yet. I did have to watch her because she started trying to chew the tabs off because she was bored. She has not chewed one off, just started thinking about it, and did a tiny bit of damage to one tab.
She loves these balls. We have played tug of wat with them too, so yhe tabs are sturdy, and so is the ball.
The dog did not care what collar she got, so I grabbed the least expensive one, and the 6 inch. She is a medium sized dog with razor teeth, and these work great.
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Reviewed in the United States on March 15, 2026
★★★★★ 4
Not recommended for the aggressive player..
Size: 6 Inch, Color: Red, Size: 6 Inch, Color: Red
First this ball was not delivered when it should have been. Second, the tabs are poorly made. One day of my dog playing with it and the tabs are already torn up. The ball itself is fun for her and has not deflated for now at least.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Tough little toy for super chewers.
Size: Shoes
Great my two Yorkies. Bought two. So far, still in one piece.
UPDATE: This toy does not stand up to being washed. Since it is a "material" and not rubber, I would advise against buying it if you wash your dog toys. Sorry I bought several.
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Reviewed in the United States on December 1, 2025
★★★★★ 1
Not a durable toy.
Size: Drop Ball, Size: Drop Ball
I was very disappointed in this rope toys. It took one day for my Border Collie to destroy it. The rope is not a durable material at all. I had a rope toy that was like this one several years ago, but it was much more durable. It lasted a couple of years. I think this one would be great for a small puppy, but not for an adult dog. Very disappointing!
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Fabulous play!
Size: Drop Ball
It is small for my 1 yr old girl boxer... my bad for not reading the product size details. The tug rope is great, but my rough boxer loved it too much and couldn't be trusted with it after much play. This toy opened the door for my purchasing tougher rope pull toys from the same brand.
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Reviewed in the United States on March 16, 2026