Equip your vehicle's air horn installation with the Kleinn FIT34 complete plumbing and fitting kit, specifically engineered to contain all the essential airline fittings utilized in HK2, HK2-1, HK3, and HK3-1 ProBlaster horn systems. Engineered for universal application and maximum pneumatic reliability, this premium component package includes a comprehensive set of heavy-duty 1/4-inch NPT brass fittings to ensure a leak-free setup under high pressure. The high-performance kit comes equipped with a part number 2131 130 PSI automatic pressure switch, a part number 52155 155 PSI safety relief valve, a part number 52835 air tank drain cock, and a 51414L elbow compression fitting to streamline your airline routing. Designed for a clean, professional, and comprehensive installation, this complete package also includes a part number 318-BK black momentary horn push-button switch alongside a vial of Kleinn's exclusive Juice-1 liquid thread sealant, providing everything needed to service, upgrade, or finish your onboard air system right out of the box.

• 51414L 1/4" Airline Compression fitting
• 52835 Tank Drain Valve
• 2131 Pressure Switch
• Juice Thread Sealant
• 52155 Safety Valve
• 318BK Horn Button