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Old 01-20-2014, 02:18 PM   #9
SS Tim
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Join Date: Aug 2010
Location: Edwards, CA
Posts: 7,507
Re: Factory underbed fuel tank?

The picture is just close-up skewed.
That appears to be the factory RPO NL2 aux. tank, 19 gallon capacity. Optional on 72 CK20 and C30 fleetside pickups
The spacers appear to be the metal bed version. It is missing all the undercab plumbing, selector valve, wiring and gauge selector switch. At least from the pictures provided.
Adding pictures so this thread has some value after the CL ad goes away.
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