Replace your existing C02 System with K&R's new Air Pump System & Never Run Out of Air Again!!! This is the one and only system with 12 years of proven reliability. Small enough to mount in battery tray or nose of most dragsters. Measures only (10.5"L x 6.5"W x 8"H). Light Weight (Just a couple lbs. heavier than filled C02 System). Controls all your current pneumatics (throttle stops, air shifters, starting line controls, etc.). Low current High psi 12v Air Pump. "Self-contained" air reservoir tank with emergency fill valve. Moisture petcock drain. Adjustable regulator w/gauge for consistent line pressure from 0-100psi. Built-in pressure switch cycles pump automatically. Large volume pump for fast air up time. Quick connect coupler fitting for airing tires-Never carry an air tank again! Supplied Stretch Hose w/ tire chuck. Includes mounting hardware, fittings, wiring, & quick disconnect with valve. 1-year warranty