Our Valve Train Upgrade Kit increases the reliability of your modified engine by reducing the possibility of valve float at high rpm. Includes lightweight, precision-machined titanium valve retainers, racing valve springs, base washers and OE rocker arm shaft bolts that must be replaced during installation.

Applications: All Sea-Doo 1630 & 1503 4-TEC Engines (325, 300, 260, 255, 230, 215, 185, 170 & 130). Not compatible with 900 engines.

TIP: To ease the installation and save time we recommend using our valve compression tool

NOTE: RIVA Racing highly recommends installing our 4-TEC Rocker Arm Upgrade Kit on 2023 & prior models.

Note: Riva Racing highly recommends installing our 4-TEC rocker arm upgrade kit on 2023 and before machines.