Speedmaster PCE281.2166 Fits Ford 351 Cleveland 4V 254cc 64cc Hydraulic Flat Assembled Cylinder Heads

Assembly Specifications _x000D_ _x000D_ Max Lift: .580 _x000D_ Coil Bind: .740 _x000D_ Intake Install: 130lbs @ 1.8 _x000D_ Exhaust Install: 130lbs @ 1.8 _x000D_ Closed Sear Pressure: 125lbs _x000D_ Open Seat Pressure: 320lbs _x000D_ _x000D_ _x000D_ The Speedmaster Ford Cleveland cast irone heads are a perfect upgrade for both 2 and 4 barrel engines. Not only do you get more performance out of the box than OEM heads, but they retain the stock look. As another benefit, you can run higher compression with these heads before the onset of power robbing detonation. There is absolutely no reason to rebuild a set of OEM castings when you can buy a better performing, higher flowing and more detonation resistant cylinder head for less money from us! _x000D_ _x000D_ To top it all off, we offer aluminum and CNC ported Cleveland heads for people looking for even more performance. _x000D_ _x000D_ INTAKE / EXHAUST GASKETS _x000D_ All stock gaskets will work with these cylinder heads. _x000D_ _x000D_ The exhaust side of the head uses standard 4v exhaust gaskets.

• Assembled with the finest premium components to provide your engine with optimal airflow for maximum engine performance
• Improved power throughout the rpm range for greater throttle response and top-end horsepower