Shock Absorber Type 643 Competition P

Marsoni

M251S

$646.98

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

Shock Absorber Type 643 Competition PWith compression reservoir on a milled mount. The upper mount is precision milled from solid aluminum and integrates the high and low speed compression adjusters. A pressure relief valve prevents hydraulic lock and shields the chassis from uncontrolled jolts under extreme compression. The shock is fully adjustable: 22 clicks of rebound and 22 clicks each for high and low speed compression. Spring preload can be set mechanically or, optionally,

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I am 120 lbs and this feels to me more of a medium firm foam. It is very comfortable for laying on my back, but it hurts my hips when I lay on my side for a while. The cover is nice and velvety, and looks to be sturdy. It had a slight smell for two nights, but very faint enough that I was able to sleep on it the day it was delivered. The smell never woke me up, as the smell was very faint. The foam expanded to full size all over within hours, and has no uneven places.

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Reviewed in the United States on December 9, 2025

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Michelle

Lexington, US

★★★★★ 3

MAYBE MOLDY

it’s a good little bed for if your ina pinch but it produces moisture whenever it’s in a cold room so it could attract mold eventually just a fair warning

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Reviewed in the United States on May 21, 2026

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Trish Harris

Waukegan, US

★★★★★ 5

Comfortable & durable.

Color: White, Size: S06-Single

Needed to take care of a family member in a small studio apartment. There was no room for a bed so I needed to sleep on the floor. I chose the narrowest twin size but found it big enough for me & I am a size 18. Very good foam, dense but soft. I've been sleeping on it daily for over 6 months & it is still comfortable. Someone else also slept on it a number of times & also found it comfortable. Very happy with this purchase.

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Reviewed in the United States on December 31, 2025

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Laura krueger

Houston, US

★★★★★ 5

The price was great

Style: Original, Size: Standard/Queen

I couldn’t believe how comfortable they are

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Reviewed in the United States on January 2, 2026

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