GRAND PITSTOP Replacement Mushroom Plugs for tubeless Tire Puncture Repair kit - for Cars, Moto…

  • $8.50 $10.00 Save 15%
  • Coupon ACTIVE - Last checked 01/17/2026 10:36 PM PST
  • Expires: 04/30/2026 at Midnight or while supplies last.
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Hey everyone! If you’ve been following my journey, you know I spend a lot of time on two wheels. There is nothing quite as frustrating (or potentially dangerous) as catching a nail in your tire when you’re miles away from the nearest shop. Today, I’m sharing my personal experience with a product that has earned a permanent spot in my emergency kit: the GRAND PITSTOP Replacement Mushroom Plugs.

Why Mushroom Plugs Over Standard Strips?

Most of us are used to the "bacon strip" style plugs. While they work in a pinch, they often leak over time. The Grand Pitstop Mushroom Plugs are a game-changer because of their shape. The "head" of the mushroom expands inside the tire, creating a mechanical seal that pressure actually helps keep in place. It’s the closest thing you can get to a permanent internal patch without actually taking the tire off the rim.

My Experience on the Road

I recently had to use these on a weekend trip through the mountains. I noticed a drop in pressure and found a nasty screw in my rear tire. Since I already had the Grand Pitstop gun kit, I reached for these replacement plugs. Here is what I noticed:

  • Easy Installation: They slide into the applicator smoothly. No fighting with sticky glue or messy strips.
  • Solid Seal: Once the plug is seated and the stem is trimmed, the seal is immediate. I rode another 200 miles on that plug without losing a single PSI.
  • Durability: These aren't flimsy. The rubber is high-quality and designed to withstand the heat generated by highway speeds.

What’s in the Pack?

This specific pack is a replacement set, which is great because it allows you to restock your existing kit without buying the whole tool again. You get a generous amount of plugs that work for both motorcycles and cars. If you have a tubeless setup, these are universal.

Pros and Cons

Pros

  • Creates a superior seal compared to string plugs.
  • Compact and easy to store in a saddlebag or glove box.
  • Works for both cars and motorcycles.
  • Very affordable for the peace of mind they provide.

Cons

  • You do need the specific Grand Pitstop "Plugger" tool to use these (they aren't meant for manual insertion by hand).

The Final Verdict

If you are a serious rider or someone who takes long car trips, you need to upgrade your repair kit. The GRAND PITSTOP Replacement Mushroom Plugs are reliable, easy to use, and they actually hold air for the long haul. I don’t leave my garage without them.

Pro Tip: Always carry a small pair of pliers to pull the nail out before you plug it! Stay safe out there!


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