Permatex Right Stuff Black 90 Minute Silicone Gasket Maker - 75228
Permatex Right Stuff Black 90 Minute Silicone Gasket Maker - 75228
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Permatex Right Stuff Black 90 Minute Silicone Gasket Maker - 75228

4.8 stars out of 105 reviews
(4.8)|
105 ratings

Key item features

  • Quick Seal: Returns vehicle to service in just 90 minutes with fast curing time.
  • Versatile Use: Ideal for valve covers, intake manifolds, coolant flanges, oil pans, timing covers, and heavy-duty trucks.
  • Superior Adhesion: Outperforms pre-cut gaskets with maximum flexibility and strong adhesion to flanges.
  • High Temperature Range: Operates effectively between -65F to 500F intermittently.
  • Oil Resistant: Black formula offers higher oil resistance compared to grey gasket makers.
  • Convenient Application: Includes an additional nozzle for multiple uses and easy application.
  • Blowout Resistant: Ensures a durable and reliable seal that resists blowouts.
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Current price is $12.16$4.05/oz
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Columbus, 43215
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Customer ratings & reviews

4.8 out of 5 stars
stars105 ratings57 reviews
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Reviews summary

Pros
  • : Can be used on multiple applications.
  • : Effectively seals in oil without leaking.
  • : Forms tight seals on various surfaces.
  • : Forms a reliable seal within 90 minutes.
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Showing 1-3 of 57 reviews

Dec 30, 2025
Tony
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

It's good stuff

As the name says, this is the right stuff. I was always an Ultra Black for the past 30 years until my son turned me on to this stuff. It hasn't let me down.

Helpful?2LGXESRGOT5Q377320501
Jul 5, 2024
Eliot
5 out of 5 stars review

Verified Purchase

Works great, and as described.

I needed this quick, and I needed something that would work. They delivered it to me within a couple hours, and it worked great! I would recommend this product 100%. It does exactly what it says it will. I used it to seal my transmission pan, and it did the job.

Incentivized Review
Helpful?2LGXESRGOT5Q377320501
Oct 28, 2024
Dustin
Item details
Color: Multicolor
Size: 25228-PER
Shape: Pack of 1
5 out of 5 stars review

Verified Purchase

Bueno

Got this to finish up a timing chain job so I could seal the gasket as manual instructed to do. Even filled in a missing part of the oil pan gasket with this stuff and may have layed it on a little thin but once everything was pressed together it held. Timing is better and after one hour for the stuff to get tacky then 90 minutes later for it to set (compared to 24 hrs) I was able to add oil and coolant and had zero leaks. Product works as it should and does so quickly.

Helpful?2LGXESRGOT5Q377320501