


COMP Cams Camshaft CS 305Qio8
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
COMP Cams Camshaft CS 305Qio8Hydraulic Roller 4 Pattern: Recommended in larger c. i. and high compression applications. 3500+ stall.; Outboard Specs: 307 319 Advertised Duration, 255 265 Duration . 050", . 638" . 622" Lift, 108. 5 Lobe Separation; Inboard Specs: 305 317 Advertised Duration, 253 263 Duration . 050", . 638" . 622" Lift, 107. 5 Lobe Separation; 3300 to 7500 RPM range; Recommended use with 1. 6 rocker arm ratio This Part Fits: Year Make Model Submodel 1987 1991
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4.6 ★★★★★
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Product Reviews
★★★★★ 5
It is heavy
Size: 58.3mm, Color: Black
Item was as described and shipped promptly. It is heavy and works well with my portafilter. I haven't had it long enough to really evaluate how helpful it is.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 31, 2025
★★★★★ 5
Muy bueno
Muy bueno
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2025
★★★★★ 4
Great little temper
Size: 53mm, Color: Silver
Works great! Only problem is that it doesn’t have that feel of tamping. Wish I had more feedback. It just goes down very easily and doesn’t have that feeling of solid tamping. Now that doesn’t mean it’s not doing its job. Works fine but would like some manual feedback.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 7, 2024
★★★★★ 5
Easy to use
Size: 58.3mm, Color: Black
Great for make good coffee and easy to use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 24, 2025
★★★★★ 5
Take the guess work out of the flow!
Size: 58.3mm, Color: Black
I got this because when my wife makes espresso, it's watery. When i make it, it's fine. We needed a controlled Tampering method so we both do the same job.
This is heavy, and being able to use the whole hand instead of fingers, not much effort is needed.
Since we purchased this, we were able to make consistent espresso shots for sure.
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Reviewed in the United States on July 12, 2024