Quote:

You need to lower the rocker arm shaft (not an easy trick) or use longer valves. Or buy different rocker arms.



this is what we did to correct my HS rockers.

70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake

best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4