Piston for 2018 Sea-Doo GTI P STD 90 900 - Standard - Replaces 420892821

Platinum piston kit for Sea-Doo / Can-Am 900 engines, made for standard bore cylinders. The kit supplies the piston together with its ring set, wrist pin and circlips, so the piston assembly can be renewed in one go during a top end rebuild.

Product Details

• Part Type: Piston Kit
• Size: Standard bore
• Compression Ratio: 9.5:1
• Series: Platinum
• Note: Forged Piston with deep dish top
• Replaces OEM: 420892821
• Brand: WSM

Before You Order

Measure the cylinder bore before ordering to confirm it is still within standard size. If the cylinder is worn or scored beyond service limits, it will need to be bored and an oversize kit used instead.