WakeMAKERS 2009-2011 & 2013 Mastercraft X55 PiggyBack Rear Factory Ballast Upgrade Hero This is the stock pump

This is the stock pump and can be used as a direct replacement in the following models: 2017+ Nautique GS20

Contoured armholes

Size: 18" x 10' long / 24" x 10'

What's Included: Two KMTC 6

Come into the wake flat without much edge hold

WakeMAKERS 2009-2011 & 2013 Mastercraft X55 PiggyBack Rear Factory Ballast Upgrade Hero This is the stock pumpWakeMAKERS exclusive Factory Ballast Upgrade Kits are built and designed to unleash the full potential of your MasterCraft boat. It takes more than just the factory ballast system in order to build an impressive wake. After all, we all want the best wake on the lake. A better wake is proven to make for a more enjoyable wakesurfing and wakeboarding experience. Our aftermarket ballast solutions increase the overall capacity of your boat's factory