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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
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Description
Supertech Performance Pistons 81mm B SeriesBore: 81. 00mm(81. 02mm) Over Size: Std Comp Ratio: 9: 1 on a B16A Vtec Volume CCs: 2. 5 Head CCs: 42. 7 Comp Height: 1. 181"(30mm) Stroke: 3. 047" Rod Length: 5. 290" Pin Diam: 21mm(. 827") Weight: 241grs Ring P N: GNH 8100 Note: T N Pistons come coated with Pins, locks (set of 4)
- Bore: 81.00mm(81.02mm)
- Over Size: Std
- Comp Ratio: 9:1 on a B16A Vtec
- Volume CCs: -2.5
- Head CCs: 42.7
- Comp Height: 1.181"(30mm)
- Stroke: 3.047"
- Rod Length: 5.290"
- Pin Diam: 21mm(.827")
- Weight: 241grs
- Ring P/N: GNH-8100
- Note: T/N
Pistons come coated with Pins, locks (set of 4)
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
4.3 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 3
Great Idea but they will let you down eventually
I have used these for years during the winter. The price has nearly tripled but the longevity is the same. I normally purchase three with one being a spare. Within a few weeks they start going. I switch batteries etc but normally that does not help. Its a great idea and my dogs love them but they dont hold up to 10 minutes of play each nite. We do not throw them either, I roll them or kick them as my dogs are older
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Reviewed in the United States on November 12, 2025
★★★★★ 5
Great product
Very good. Hours of fun with the dog.
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Reviewed in the United States on March 3, 2026
★★★★★ 2
Expensive ball- stops working in a week
Came without any protection inside for batteries. Stopped working after a week. Expensive ball to break in a week
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Reviewed in the United States on December 7, 2025
★★★★★ 5
Great ball for dogs
Murphy’s favorite ball!!!
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Great toy
Color: Blue
Great toy, too bad my Shih Tzu is afraid of it. I love the way the movement is subtle and random.
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Reviewed in the United States on May 21, 2026