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PCV HOSE 68/69 390/428 MUSTANG/COUGAR
PCV Hose for 1968-1969 Mustang & Cougar 390 & 428.
Correct dual inside diameter & correct-style markings. Connects crankcase & intake to draw gases out of the engine's crankcase & back into the cylinders to burn with the regular fuel.
Combustion forms gases & vapors that are harmful. These gases get past the rings & into the crankcase. If left in the crankcase, these gases cause rust, corrosion, & sludge. PCV (Positive Crankcase Ventilation) was invented to keep gases out of the crankcase & the atmosphere.
-PCV Hose, 70 428 CJ, #PCH05
-PCV Valve-to-Hose Adapter, #6A706
Item No: 86664 01
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