WakeBallast 2005-2008 Supra Launch 21V SnugFIT Rear Larger Ballast Bags

Supra Ballast Upgrade Kit (640 lb FIT Series – Gravity III Required)

Increase ballast capacity and improve wake performance with a direct-fit upgrade that maximizes rear locker space.

Lead Time

Made to order. Ships in 1–2 weeks.

System Requirement

• Requires Supra Gravity III Ballast System
• Must have factory rear ballast option

What This Upgrade Does

• Replaces factory ballast bags with 640 lb FIT Series bags
• Adds up to 1,280 lbs total ballast capacity
• Maximizes rear locker space
• Produces a larger, cleaner wake for wakesurfing and wakeboarding

Factory Integration

• Connects directly to your existing ballast system
• Controlled using factory dash switches
• Maintains automatic fill and drain functionality

Why Upgrade

• Factory ballast often leaves unused capacity
• This upgrade increases weight without added complexity
• Delivers a more consistent and powerful wake

What’s Included

• (2) FIT Series 640 lb Ballast Bags
  • Port side
  • Starboard side
• Pre-assembled fittings and connectors

Installation

• Plug-and-play design
• Install in a few hours with basic tools
• Professional installation available through a certified marine service center

Fitment

• Designed for Supra boats equipped with Gravity III ballast systems
• Installs in rear lockers

Specs

• Total Ballast Capacity: 1,280 lbs
• Warranty: 2 Years
• Manufacturer: WakeBallast

Made in the USA

Manufactured by WakeBallast in Chandler, Arizona using high-quality materials and precision construction.

Summary

A straightforward ballast upgrade that increases capacity, improves wake performance, and maintains full factory control and ease of use.