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Proform 66839 Dual Gauge Model with14mm Spark Plug Hole Adapter

Proform
BCHW_66839
66839
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Engine Compression Test Kit
$142.70
This dual-gauge leakdown tester measures the condition of your head gaskets, piston rings, and valves. The...
⚠️ SPECIAL ORDER — Additional shipping fees may be required.
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Proform 66839 Dual Gauge Model with14mm Spark Plug Hole Adapter
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.
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