This is a USED set of Roller Rocker Stands. They have 1.50 exhaust rockers and 1.50 intake rocker arms. The offset looks to be about. 200".
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8 NEW T & D Shaft Intake Rocker Stands for Ford C3 Yates Aluminum Heads TD00701
8 NEW T & D Shaft Exhaust Rocker Stands for Ford C3 Yates Aluminum Heads TD00711
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W8 DODGE MOPAR CHRYSLER T & D SHAFT ROCKER STANDS 031726-100