Virgin 906 B/RB heads, tanked, cooked, shot blasted, mag'd, new K-liner guides, diamond lapped, and surfaced. New Ferrea 2.08 in and 1.74 ex, 5000 series stainless valves, guides cut for .531 seals, hard exhaust seats installed, comp valve job cut with Sunnen/quick-way system, all work done by...