WSM Sea-Doo 900 Spark Platinum Piston Kit OE 420892821 - STD SIZE 010-864PK

WSM Sea-Doo 900 Spark Platinum Piston Kit OE 420892821 - STD SIZE 010-864PK

Marsoni

M251S

$139.19

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

WSM Sea-Doo 900 Spark Platinum Piston Kit OE 420892821 - STD SIZE 010-864PKSea Doo 900 Spark PLATINUM Piston Kit '14 '24 Kit includes rings, pin and clips. Platinum pistons have a moly coating that reduces heat and friction during the start up phase. This increases HP and extends the life of the piston. STD SIZE ONLY 74MM ITEM#: 010 864PK PISTON KIT SEA DOO 900 14 24 STANDARD PLATINUM OEM#: 420892821 BRAND: WSM FITMENTS: Make Model Year(s) Sea Doo GTI P SE 90 900 2018 Sea Doo GTI P STD 90 900 2018 Sea Doo GTI SE HO 900 2017

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This is a good product. Many people go with KILMAT because of the value to price point. I did as well. When you clean the surface (in my case it was all painted metal) this stuff sticks very well. I do recommend you use a seam roller of some type, I used Lumiteco 3 piece roller set. This will help with adhesion and mostly flatten the overlapped edges. It also helps you see where you have rolled as it leaves little grooves. The difference when we had no sound mats and after was very impressive. We haven't finished our install yet and it is quieter than when we had an interior in the van. There are thicker mats available in other brands, but this will work great for our van build, but this helps keep the weight down. It is quality material, just be careful when you are removing the backing, the edge of the foil face can cut you. I suggest you layout where you are installing the mat and cut to fit. From what I have read, you don't need to cover every inch in the vehicle, just spot install for a big difference. I chose to cover most surfaces to help keep sound out when we are sleeping in the van. We haven't finished putting the van yet, but we have driven it around and been very satisfied with this product.

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Reviewed in the United States on December 3, 2025