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Proform 66839 Dual Gauge Engine Leakdown Tester – 2.5″ Gauges
Original price was: $63.99.$39.89Current price is: $39.89.
57 in stock
Description
Product Description
This dual-gauge leakdown tester measures the condition of your head gaskets, piston rings, and valves. The gauge records incoming air pressure, and the right gauge records individual cylinder pressure – and the difference is you leakdown. Includes 14mm spark plug adapter.











