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SeaDoo 4-Tec GTX GTI RXP RXT GTR X Wake Piston Ring Set Stock Size 99.96 mm NEW

Fits: SeaDoo 5989
Part #: 420890380
Made By: WSM
Item Condition: New

See Description For Exact Model and Year Compatibility

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New WSM piston ring kit 0.00mm oversized (Stock Size), this kit will replace the rings on 1 (ONE) stock OE SeaDoo or WSM brand piston.

Stock size is 99.96mm, this piston ring kit is 99.96mm

Please ensure your PWC is listed below for proper fitment.
This part will ONLY work on models and years listed below:

All Years and models of SeaDoo personal watercraft and jet boats with a non-supercharged 130 or 155 HP 4-Tec engine.


Please check our store for other available sizes.

Ensure to follow proper break-in procedures after installation


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