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HP4-HDG4 kit features ACT's most popular Heavy Duty pressure plate
many of which are common for performance upgrades
The included air scoop is designed to capture the coolest
Up To 34% Increase In Flow
AutoMeter Ultra-Lite 66.7mm Mechanical 0-100 PSI Oil Pressure Gauge (4421) 40040 HP4-HDG4 kit features ACT's mostThe Life Blood Of Your Engine, A Lack Of Oil Pressure Is One Of The Most Catastrophic Scenarios That Can Happen. Knowing The Precise Pressure Is Critical To Both Its Longevity And Performance, As Well As Your Peace Of Mind. Autometers Mechanical Oil Pressure Gauge Utilizes The Most Advanced Bourdon Tube Meter Movement On The Market To Deliver Accuracy And Durability You Wont Find Anywhere Else. A Simple 1 8" Npt Connection Makes Installation Easy.