Graco FireBall Pump Online Store. FireBall Pumps are built with durability and longevity in mind. The Graco FireBall line is broken into several main categories. FireBall 300 Pumps are perfect for high pressure oil or grease dispense or transfer. The FireBall 425 pumps are the choice for most demanding volume applications and the Mini FireBall 225 pumps are great for medium and low pressure applications. FastBall Pumps are the general choice when it comes to bulk fluid transfer. To view all of our products available online click here!