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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
CYCLE-RAMA CR557 M8 CAMMid High big bore motors 124ci up. The opening and closing ramps are different profiles to reduce valve bounce and valve spring harmonics. Replaces the CR540 & CR540 2. 2800 6500rpm 11. 3 to 11. 8: 1 static compression. Add ported cylinder heads, big throttle body, high performing exhaust and get ready to hang on! Youre on your way to a 160 Horsepower pump fuel build Mid High Big Bore motors 124" up, or small motors with 12: 1 comp Requires 11. 3 12.
- Mid/High
- big bore motors 124ci – up.
- The opening and closing ramps are different profiles to reduce valve bounce and valve spring harmonics. Replaces the CR540 & CR540-2.
- 2800-6500rpm
- 11.3 to 11.8:1 static compression.
- Add ported cylinder heads, big throttle body, high performing exhaust and get ready to hang on! You’re on your way to a 160 Horsepower pump fuel build
- Mid/High Big Bore motors 124" up, or small motors with 12:1 comp
Requires 11.3 - 12.0 compression
Replaces CR540 series cams
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]
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4.4 ★★★★★
Based on 954 reviews
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Product Reviews
★★★★★ 4
High quality, wish it was just a little smaller
Style: Squeaker, Size: Small (2 Pack)
Love these. My dogs would play ball all day if I let them. These are very durable and bouncy. Love that it’s washable. They would chew up the small “tennis” balls to pieces so I love that they can’t destroy these. My only criticism is I wish these were just a little smaller (like the size of the small Kong tennis balls). My dogs can carry it in their tiny mouths but they can’t get their mouth around it enough to chew it to get the squeaker to squeak, which is their favorite thing.
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Reviewed in the United States on January 5, 2026
★★★★★ 5
Perfect for little dogs
Style: Ultra, Size: Small (2 Pack)
Perfect size for my 13 pound chihuahua mix. Great bounce and quality feel. Definitely worth it.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
The perfect ball for a small to medium dog.
Style: Ultra, Size: Small (2 Pack)
My dog's favorite ball. Perfect size for playing catch and return for a small dog. She loves to chew on the ball. Very durable she has not been able to shred the ball.
A great entertainment value. This ball does not squeak.
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Reviewed in the United States on February 27, 2026
★★★★★ 5
High quality, dogs love them
Style: Ultra, Size: Medium (1 Pack)
My dogs are obsessed with these balls! We've had them for months and they're still good as new. High quality!
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Reviewed in the United States on April 5, 2026
★★★★★ 5
Yes!
Size: Medium
Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.
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Reviewed in the United States on September 28, 2025