Protects compressor and air conditioning components from excessive pressure during R-12 to R-134a conversions Cuts off compressor at excessive pressure (398 psi), allows compressor to resume operation when pressure drops to safe 315 psi For most '78-'93 cars, vans and pickups Kit comes complete with everything needed to install this system in most '78-'93 vehicles with 3/16" high-side port: 90° steel port adapter and high-pressure switch, electrical pigtail harness with boot and instructions. Easy to install.
Price: $57.27
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