COMP Cams Camshaft CRB3 299Th R7 Thumper

COMP Cams Camshaft CRB3 299Th R7 Thumper

Marsoni

M251S

$244.97

Get it in 3 business days with 1 day shipping. Friday, May 29

COMP Cams Camshaft CRB3 299Th R7 ThumperDesigned to deliver an aggressive, hard hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series' early intake valve opening and long exhaust duration create optimum overlap for that race car idle. The Thumpr grinds all require an aftermarket torque converter and lower gear ratio to ensure the drivetrain

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Unfortunately I ended up being very disappointed with this purchase, after about two weeks of use, it just stopped performing. Not sure what happened but it just stopped releasing the ball and I don't know why, it had no flexibility left to it. I'm not doing a very good job of trying to explain why it quit working but suffice it to say, it became useless after a couple of weeks. Broke my neighbors dog's heart, lol.

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Reviewed in the United States on November 20, 2025

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Donna

Pawtucket, US

★★★★★ 5

Awesome ball and made to last!

Color: Black & Yellow

Awesome ball! My dog loves it and plays with it all the time. He's a very aggressive chewer and there are only a few toys he can have without destroying them. Very pleased with this.

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Reviewed in the United States on May 27, 2026

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Sonya Bushong

Boise, US

★★★★★ 5

Pretty tough

Color: Black & Lake Blue

I think the toy is great, but my dog was not excited about it. He prefers the original type which is larger. I think it could possibly be cracked open by a dog with a large mouth and is intent on getting the noise maker out. But it is pretty tough.

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Reviewed in the United States on April 22, 2026

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Grady c.

Whiting, US

★★★★★ 3

Bite proof

Color: Blue & Red

The ball is tough but it will not take the dog having it all the time .play with them and put it up or it will not last price not bad

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Reviewed in the United States on May 24, 2026

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Joe

Waukegan, US

★★★★★ 4

Definitely tough but not enough

Color: Black & Lake Blue, Color: Black & Lake Blue

I've been searching high and low for a durable and engaging toy for my 90lb american bulldog. She's destroyed countless toys and her number of toys just keep rising. This lasted for a few hours before she was able to chew off the rubber shell. But now shes still enjoying the hard plastic ball on the inside. Its also a perfect size of ball for her as she can fit it in her jaws comfortably without any worry of he swallowing it. Wish the outside shell was more durable though.

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Reviewed in the United States on April 17, 2026