Thread: Need heater box & advice - '81 K10 p/u w 350 & a/c
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Old 03-08-2012, 11:07 PM   #7
trout
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Join Date: Jun 2010
Location: lexington, SC
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Re: Need heater box & advice - '81 K10 p/u w 350 & a/c
i would think 73-87 -91 would work long as its a square body
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