Kleinn HK5 Complete Set of Fittings

Equip your vehicle's air horn installation with the Kleinn FIT56 complete plumbing and fitting kit, specifically engineered to contain all the essential airline fittings utilized in HK5 and HK6 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 2151 145 PSI automatic pressure switch, a part number 52175 175 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.

Additional Information

Kleinn Model FIT56 Complete Fitting Kit - Fits Kleinn Universal HK5 through HK6 kits

Part Type

Air Horn Fitting

• 51414L Elbow 1/4" Compression fitting
• 52835 Tank Drain Pet-cock butterfly valve
• Juice-1 Thread Sealant
• Model 2151 Pressure Switch
• Model 318BK Horn Push Button
• Model 52175 Safety Valve

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Fittings, Complete set of fittings for a Kleinn HK5 or HK6 Problaster Horn Kit