2006 Ford Racing Performance Parts Catalog - Rocket City Mustang ...

HIGH-PORT HEAD FOR ALL-OUT PERFORMANCE
M-6049-SC1*
• Unfinished combustion chambers, typical finished volumes range from 40cc to 70cc
• Raised intake and exhaust runners for better airflow and greater power
• Fits 302 and 351 Ford Racing blocks
• Used for Drag, Sprint Car and Circle Track Racing
• Intake and exhaust runner raised .400" over “Yates” C3 head for better flow characteristics
• Intake valves up to 2.180" diameter, 5.685" long
• Exhaust valves up to 1.625" diameter, 5.565" long
• Redesigned integral rocker pad for greater stiffness
• Uses M-9424-W352 intake manifold with 9.200" deck block
• Uses Motorcraft AGS-Series spark plugs
• Cylinder head comes semi-finished. Machining does not include valve seat bores
• Must be ported
• Bronze guides and valve seats included
HIGH-PORT NASCAR HEAD
M-6049-D3*
M-6049-D35* Without seats, guides or pushrod holes
• Fits 5.0L and 5.8L Ford Racing blocks
• Raised intake and exhaust ports
• Used primarily in NASCAR and ARCA racing
• Intake and exhaust runners raised .400" over “Yates” C3 head
• Capable of 400 CFM intake, 267 CFM exhaust
• Accepts intake valves up to 2.180" diameter, exhaust valves up to 1.625" diameter
• Integral rocker pad for greater stiffness
• Cylinder head comes semi-finished. Combustion chamber and ports, unfinished
• Bronze guides and valve seat inserts included (not installed)
• Intake manifold mounting bolt holes 90° to mounting flange
• Use with M-9424-D451 or D452 intake manifold
ENGINE
COMPONENTS
*Not legal for sale or use on pollution-controlled motor vehicles.
**Direct replacement part.
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