If you are serious about horsepower, then we have your solution, the FLOTEK 220 CNC Performance Cylinder Head. The superior port and chamber design offers maximum air ?ow. Built with various spring combinations like solid and hydraulic for different cam set ups! Incredible performance at an affordable price. This is not your typical Chevy Head?FLOTEK?s 220 CNC is a Serious Head for Serious Horsepower! Enough said! These are available for 305, 307, 327 & 350. For 400 Motors contact FLOTEK.
- Cylinder Head Style:
- Assembled
- Cylinder Head Material:
- Cast aluminum
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- Yes
- Combustion Chamber Volume (cc):
- 72cc
- Combustion Chamber Style:
- Standard
- CNC-Machined Intake Runner:
- Yes
- Intake Runner Volume (cc):
- 220cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- 23 degree
- CNC-Machined Exhaust Runner:
- Yes
- Exhaust Runner Volume (cc):
- 84cc
- Exhaust Port Shape:
- Square
- Exhaust Port Location:
- Standard
- Exhaust Valve Angle:
- 23 degree
- Intake Valves Included:
- Yes
- Intake Valve Diameter (in.):
- 2.080 in.
- Exhaust Valves Included:
- Yes
- Exhaust Valve Diameter (in.):
- 1.600 in.
- Valve Type:
- Stainless, Swirl-Polished
- Maximum Valve Lift (in.):
- 0.650 in.
- Valve Springs Included:
- Yes
- Valve Spring Type:
- Dual W/Damper
- Outside Diameter of Outer Spring (in.):
- 1.460 in.
- Valve Guides Included:
- Yes
- Valve Guide Material:
- Manganese Bronze
- Valve Seats Machined:
- Yes
- Valve Seat Material:
- Powdered metal
- Valve Seat Machine Style:
- Multi Angle
- Retainers Included:
- Yes
- Retainer Material:
- Chromoly
- Valve Stem Seals Included:
- Yes
- Valve Stem Seal Style:
- Viton Positive Stop
- Locks Included:
- Yes
- Lock Style:
- 10 degree chromoly
- Camshaft Style:
- Hydraulic Roller
- Spark Plug Style:
- Angled
- Guideplates Included:
- Yes
- Guideplate Pushrod Size:
- N/A
- 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:
- N/A
- Steam Holes Drilled:
- N/A
- Oiling Style:
- Through pushrod
- Machined for O-Ring:
- No
- Quantity:
- Sold individually.
- Notes:
- 14mm Spark Plug, .750 Reach, 5/8 Hex, Valve Spring Pressure Open 400 lbs. Closed 142 lbs.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 5.4L/327-6.6L/400
- Years:
- 1962-1986
