COMP Cams Camshaft CS 291T HR-107 MT Th

Marsoni

M251S

$288.52

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

COMP Cams Camshaft CS 291T HR-107 MT ThDesigned 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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I was a bit skeptical based on the price ($85 total after taxes) but you can tell that for the price, this thing is sturdy and high quality. Holds solid onto the vent and keeps my iPhone in place. Easy to adjust and move to your liking, also easy to turn 90* and have your phone sideways. Only drawback is that is obstructs the view of the clock on my 4Runner and slightly obstructs my windshield, but I am sure I will get used to it.

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Reviewed in the United States on May 14, 2026

Verified Purchase

Annika Chestnut

Birmingham, US

★★★★★ 5

Great phone holder

I use this phone mount in my Subaru Impreza, and it works perfectly with my vents. It holds my phone super securely—no wobbling or slipping—so it’s great for navigation or hands-free use. Really solid and reliable for the price.

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Reviewed in the United States on November 5, 2025

Verified Purchase

Amanda & Josh

Massapequa, US

★★★★★ 4

Excellent product.

First impression: excellent product. The only reason I deducted a star is because the price is obviously quite insane.

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Reviewed in the United States on February 26, 2026

Verified Purchase

Edward F Alves

Draper, US

★★★★★ 5

A+ mount for 4Runners

This is the best phone mount I've ever had. Got it for my 2021 4Runner. Very strong, doesn't come loose, easy to place and remove the phone from the mount. Can't recommend enough.

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Reviewed in the United States on February 13, 2026