Ditto to what magic mike said. I have those Hedman headers installed on my 250 in my '68 c-10. They work really well. I didn't have mine coated, and within a week or two they had a coating of rust on them. Pay the extra money for the coating, it'll save you $ in the long haul. BTW, they do clear the clutch linkage. I have a 3 speed on the tree. Hope this helps. John.
'68 C-10 - 250 with Edelbrock 600cfm 4 barrel, Offy intake, Hedman headers and true duals, HEI, MSD 6A box, relocated gas tank
Soon to have: T-5 tranny
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