Re: porterbuilt arms, billet specialties tru trac
As far as I know the lower BJ from 71+ is all the same. The upper changes from 67-70, 71-72 and 73-87, I think. Lolife had a post on here where he laid it all out.
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Anthony
'67 Shortstep (555/T56)
'67 Parts Truck (TBA)
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