Ford Racing FR9 NASCAR Cylinder Head.Developed and engineered by Ford Racing, the FR9 NASCAR Cylinder Head is approved for the NASCAR Sprint Cup Series and circle track competition.
The Ford Racing FR9 NASCAR Cylinder Head is cast from light-weight A356-T6 aluminum and features cross flow cooling, internal oil passages for valvetrain lubrication, a five bolt head bolt pattern, with splayed and canted intake valves. This cylinder head is semi-finished requiring porting and combustion chamber machining before installation.
- Intake Valve Angle: 11.0x4.0
- Exhaust Valve Angle: 7.5x0
- Valve Spacing: 1.94"
- Intake Flange Angle: 90
- Exhaust Flange Angle: 60
This cylinder head requires Ford Racing's FR9 Cylinder Block (M-6010-R500) and FR9 Water Outlet Manifold (M8C368FR9).
*Valve guides and seats are not included.
This product will fit the following Ford Mustang years:
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