Ford Racing - Z2 289/302/351w Aluminum Head With Velocity Vane - M-6049-Z2

The small block Ford Z2 aluminum cylinder head features an advanced “Velocity Vane” intake port design that delivers outstanding street/strip power.  Developed with the aid of advanced computer aided engineering simulation tools, the unique design improves power throughout the RPM range.  This high performance aluminum cylinder head is a direct bolt on for Ford 289/302/351W engines and retains OEM exhaust, intake, and accessory mounting locations.

• Fits 289/302/351 Windsor engines
• Cast from prime 356 T6 aluminum
• Heads retain Ford OEM intake and exhaust port location and flange
• Intake ports feature a unique “Velocity Vane” in port floor to direct airflow around the valve stem – that leads to more HP and torque throughout the full power range
• 20° degree inline valve angle
• Premium stainless steel valves - 2.05" intake - 1.60" exhaust
• PAC 1219X conical style valve springs with machined retainers and 10° machined valve locks. Most hydraulic cams can be used with these springs.
• Valve spring closed pressure - 145 lbs. @1.800"
• Valve spring open pressure - 358 lbs. @ 1.175"
• Coil Bind @1.100” 0.650” Max Lift.
• Includes laser cut guide plates for use with 5/16" pushrods and 7/16" rocker studs
• Steel alloy intake and exhaust valve seats
• Manganese-bronze valve guides
• 63cc combustion chamber
• Uses gasket style 14mm spark plugs
• Uses small block Ford 7/16 stud mount, 1.65 ratio rocker arms
• Check piston to valve clearance including radial valve clearance before installing these cylinder heads on your engine
• Uses Intake gasket - M-9439-A50 and FelPro exhaust gasket part number 1415

Installation Instructions:

• Installation Instructions (PDF)