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.
View the dyno test results here: Z2 Head Dyno Test Graph
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Fits 289/302/351 Windsor engines
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Cast from prime 356 T6 aluminum
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Heads retain Ford OEM intake and exhaust port location and flange
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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
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20° degree inline valve angle
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Premium stainless steel valves - 2.05" intake - 1.60" exhaust
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PAC 1219X conical style valve springs with machined retainers and 10° machined valve locks. Most hydraulic cams can be used with these springs.
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Valve spring closed pressure - 145 lbs. @1.800"
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Valve spring open pressure - 358 lbs. @ 1.175"
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Coil Bind @1.100” 0.650” Max Lift.
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Includes laser cut guide plates for use with 5/16" pushrods and 7/16" rocker studs
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Steel alloy intake and exhaust valve seats
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Manganese-bronze valve guides
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63cc combustion chamber
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Uses gasket style 14mm spark plugs
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Uses small block Ford 7/16 stud mount, 1.65 ratio rocker arms
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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
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$19.99 CAD | $24.99 CAD
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$19.99 CAD | $24.99 CAD
Product title
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$19.99 CAD | $24.99 CAD
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