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Internal Upgrades

Madbull M100 Upgrade Spring $15.99	Madbull M110 Upgrade Spring $15.99	Madbull M120 Upgrade Spring $16.99
Madbull M130 Upgrae Spring $16.99	Madbull Full Tooth Piston $19.99	G&P M160 High Speed/High Torque Long Motor $85.00
Madbull Shark Blue Hop Up Bucking $11.99	Madbull Shark Red Hop Up Bucking $11.99	Madbull Shark Black Hop Up Bucking $11.99
Super Core Piston $49.99