• Tests for worn or broken rings, defective intake and exhaust valves, scored or cracked cylinders, leaky head gaskets and worn or stripped spark plug threads by measuring the amount of compressed air held in an engine cylinder
• Easy to use on all 2 and 4 cycle gasoline and diesel engines
• Dual gauges allow you to monitor input air line pressure up to 100 psi
• Unit has precision pressure regulator to adjust pressure in cylinder to “set” area on regulator gauge
• Regulator gauge will read percentage of leak down in cylinder while the input pressure gauge assures that input pressure is steady Replacement Parts: H3042A Y Gauge Head H3042B Regulator H3042C Y Leakage Gauge H3042D Hose Assembly - 11-1/4" with 14 & 18mm Adaptors, Long Reach Adaptor 14mm (use H1730D) Accessories: H1730E Adaptor 10mm H1730F Adaptor 12mm H1730H Adaptor 16mm Ford™ Triton Engines H3042K Diesel Adaptor Hose - 15-1/2"
• Use of this hose allows the tester to be used on diesel engines with adaptors