Engineered for small block Fords up to 408 cu. in. that operate in the 6500-6800 RPM range, Competition cylinder heads include fully CNC-machined in-take ports, exhaust ports, and combustion chambers. Heads are manu-factured from A356 aluminum and assembled with premium-quality valve train components. Sold in pairs, completely assembled with stainless valves, valve springs, retainers, locks, and seals
- Cylinder Head Style:
- Assembled
- Cylinder Head Material:
- Cast aluminum
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- Yes
- Combustion Chamber Volume (cc):
- 58cc
- Combustion Chamber Style:
- Heart
- CNC-Machined Intake Runner:
- Yes
- Intake Runner Volume (cc):
- 195cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- 20 degree
- CNC-Machined Exhaust Runner:
- Yes
- Exhaust Runner Volume (cc):
- 70cc
- Exhaust Port Shape:
- Square
- Exhaust Port Location:
- Raised 0.125 in.
- Exhaust Valve Angle:
- 20 degree
- Intake Valves Included:
- Yes
- Intake Valve Diameter (in.):
- 2.050 in.
- Exhaust Valves Included:
- Yes
- Exhaust Valve Diameter (in.):
- 1.600 in.
- Valve Type:
- Stainless
- Maximum Valve Lift (in.):
- 0.650 in.
- Valve Springs Included:
- Yes
- Valve Spring Type:
- Dual W/Damper
- Outside Diameter of Outer Spring (in.):
- 1.270 in.
- Valve Guides Included:
- Yes
- Valve Guide Material:
- Manganese bronze
- Valve Seats Machined:
- Yes
- Valve Seat Material:
- Ductile iron
- Valve Seat Machine Style:
- 5-angle intake/3-angle exhaust
- Retainers Included:
- Yes
- Retainer Material:
- Chromoly
- Valve Stem Seals Included:
- Yes
- Valve Stem Seal Style:
- Viton Positive stop
- Locks Included:
- Yes
- Lock Style:
- 7 degree steel
- Camshaft Style:
- Hydraulic roller
- Spark Plug Style:
- Angled
- Guideplates Included:
- Yes
- Guideplate Pushrod Size:
- 5/16 in.
- Rocker Arm Studs Included:
- Yes
- Rocker Arm Nut Thread Size:
- 7/16-20 in.
- Accessory Bolt Holes Drilled:
- Yes
- Valve Cover Mounting Style:
- Perimeter bolt
- Heat Crossover:
- No
- Steam Holes Drilled:
- No
- Oiling Style:
- Through pushrod
- Machined for O-Ring:
- No
- Quantity:
- Sold as a pair.
- Notes:
- Will not accept EGR or AIR pump. Minimum bore diameter of 4.000 in. is required. Exhaust port is raised 0.125 in. over stock. These cylinder heads are competition ported. Not compatible with OEM pistons.
- Make:
- Ford
- Engine Family:
- Ford small block Windsor
- Engine Sizes:
- 4.7L/289-5.8L/351
- Years:
- 1963-1995
