Upgraded 2g head - $1000 shipped (can include New Kelford 272s for + $350) Modified for 1g fitment, drop on a 6 bolt for better potential mid range power over 1g head design Kiggly Street valve springs SuperTech INT/EXH Valves - STD size...

It does have side to side shaft play, I'm selling at a discounted rate because I'm not 100% sure of the overall condition. Very little in and out shaft play, seems like it would probably run with no issues but its hard to say without installing...