Z2 289/302/351W ALUMINUM HEAD WITH VELOCITY VANE
SKU: M6049Z2
About This Item
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
- 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