COMP Cams Camshaft CS 321QnHR-8

Marsoni

M251S

$267.48

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

COMP Cams Camshaft CS 321QnHR-8Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1 LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros Firebirds Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is

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Solid mount. I’ve tried other ones but they don’t sit as nicely as this one. It also has a lot of adjustments to allow for using it any way you need it to so it is very versatile. The magnet strength is really good and holds my phone really well. Sometimes it feels too strong which I guess is a good thing. The charging works well but I wish the cable was a little longer

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Reviewed in the United States on April 9, 2026

Verified Purchase

Charlottesville, US

★★★★★ 5

Super easy to set up

Style: Screen+Charger, Style: Screen+Charger

I couldn’t be happier with this car phone mount—it’s easily one of the best accessories I’ve added to my vehicle. The build quality feels solid and durable, with a strong grip that keeps my phone securely in place even on bumpy roads. Installation was quick and hassle-free, and it holds firmly without slipping or needing constant readjustment. What really stands out is how easy it is to use one-handed. I can mount or remove my phone in seconds, which makes a big difference while driving. The adjustable viewing angles are perfect for navigation, and it doesn’t block my view of the road at all.

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Reviewed in the United States on April 17, 2026

Verified Purchase

Andrew

Waukegan, US

★★★★★ 3

Poor socket design.

Style: Holder+Dash+Vent+Windshield

Overall this is a pretty decent phone mount. I have used it with both the windshield and vent mounts. The only problem I have is the design of the ball swivel. The socket contains a rubber piece to help increase the grip, but over time heat from the sun or the air vent makes the ball glue itself to this rubber piece. When you try to make an adjustment, the ball will not move in the socket and ends up breaking the socket. This is happened to me twice.

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Reviewed in the United States on November 13, 2025

Verified Purchase

Javier Garcia

Lake Worth, US

★★★★★ 5

Great Phone Holder

Style: Holder+Dash+Vent+Windshield

I bought the version with the suction cup mount and I’m very happy with it. It holds my phone securely in place and doesn’t move around while driving. It’s also very easy to place the phone in the holder and remove it when needed. The suction cup sticks well to the dashboard, and you can position it so the phone stays in a safe, easy-to-see spot while driving. Overall, a great and reliable phone mount. Highly recommend!

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Reviewed in the United States on March 12, 2026