Product Description
Mastercraft XT21 Ballast Upgrade Kits
Shipping Information
Our Mastercraft XT21 ballast upgrade kits generally ship within 2-3 weeks. Occasionally, items may be in stock. Contact us to confirm inventory and delivery times.
Options by Model Year
- 2017–2018 XT21: 1100 lbs
- 2019–2020 XT21: 1130 lbs
Designed for Seamless Integration
Our ballast upgrade kits are purpose-built for the Mastercraft XT21, delivering a perfect fit, maximum capacity, and improved wave performance. CustomFIT ballast bags connect directly to your boat’s Plug ‘n Play system and are tailored to fit the exact size and shape of your rear lockers, ensuring easy integration and the best possible wave.
What’s Included
This complete upgrade kit includes:
- Port ExactFIT 550 lb or 565 lb Ballast Bag
- Starboard ExactFIT 550 lb or 565 lb Ballast Bag
- Pre-assembled fittings and connectors for installation
Important Requirements
This upgrade requires the MasterCraft Gen II Surf System and the rear ballast option included with it.
Automated Filling and Draining
The additional ballast bags in this WakeMAKERS Factory Ballast Upgrade integrate with your boat’s factory system. Both the factory tanks and added bags will fill and drain simultaneously, controlled by the switches at your helm for smooth, automated operation.