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  Cylinder Head, D3 Ported - Small Port
  Cylinder Head D3 Ported Pair
Yates D3 Cylinder Head - Ported Pair
  
Our Price: $2,800.00


Availability: Usually Ships in 24 Hours
Product Code: C140008U


Description
 
The RoushYates D3 cylinder heads are proven winners. The only problem is that they can be very difficult to find. Currently we have a very limited supply of fully ported used D3 bare cylinder heads. They are designed for full out racing applications such as drag racing and dirt/asphalt racing where the rules allow the D3 cylinder head. Because of the large intake and exhaust valves in these heads, they are not recommended for blocks with a bore of less than 4.090". These heads also require special rocker arm stands, rocker arms and valve covers. Due to the proprietary nature of this head we cannot release the flow and port cfm ratings. When matched with the appropriate intake manifold this head will make significant mid range power and will peak around 8600 RPM.
 
Features
  • Intake Valve Size: 2.150"
  • Intake Stem Diameter: 7mm
  • Exhaust Valve Size: 1.650"
  • Exhaust Stem Diameter: 5/16"
  • Valve seats and guides installed
  • Comes as a bare head only

Speicial Note: Pistons with D3 valve reliefs are required. Yates C3 and standard Ford valve reliefs will not work with this cylinder head.




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