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Dart, Platinum Iron Eagle Cast Iron Chev SB Head, Assm., Pr.
Dart Iron Eagle Platinum Series Iron Eagle Cast Iron Chev SB Head
Dart revolutionized the small block cast iron cylinder head marker with the release of the original Iron Eagle. Now they are introducing the next generation Iron Eagle - the Platinum Series. Using proprietary Speed Flow technology, Dart has developed more efficient port designs with improved velocity and flow capabilities. Computerized modeling and physical testing have been employed to produce the premier cast iron head on the market today. The combustion chamber has been redesigned for greater breathing characteristics and more controllable combustion. Their casting techniques have been enhanced to reduce potential core shift, and to improve dimensional accuracy. This has allowed them to design profiled valve guide bosses for higher flow rates. Casting walls are cleaner and more consistent, resulting in greater control over flow, heat and combustion. Other features include manganese bronze valve guides, multi-angle machined intake seats, hardened exhaust seats with a special radiused design. All have dual bolt patterns for early and late valve covers, with raised and machined valve cover rails to prevent oil leaks. Stage 2 Assemblies Include: #3800 10 degree moly retainers, #611-16 10 degree valve locks, #98636 .650 lift (flat tappet) springs, stainless one-piece chrome stem racing valves, guide plates, 7/16 ARP studs, #SC531 VTO seals. Assembled and blueprinted.