Flo-Tek offers one of the most affordable ways to add a set of aluminum cylinder heads to your Big Blpck Chevrolet. You can do it yourself with these ready to assemble cylinder heads. These cylinder heads have a 320cc intake runner and 128cc exhaust runner, so they are great for street and off-road application were you would like to have good low in power. The 121cc cumbustion chamber, 2.250 inch intake and 1.880 inch exhaust valves make them a great cylinder head for most stock applications. These Flo-Tek cylinder heads even come machined with phosphor bronze guides. Sold individually.
CFM Intake Short Runner at .600 317.0 CFM
CFM Intake Short Runner at .700 339.0 CFM
CFM Intake Short Runner at .800 358.6 CFM
CFM Intake Long Runner at .600 320.6 CFM
CFM Intake Long Runner at .700 342.9 CFM
CFM Intake Long Runner at .800 362.1 CFM
CFM Exhaust at .600 232.9 CFM
CFM Exhaust at .700 242.7 CFM
CFM Exhaust at .800 249.3 CFM
Features
- Cylinder Head Style:
- Bare
- Cylinder Head Material:
- Cast aluminum
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- No
- Combustion Chamber Volume (cc):
- 133cc
- Combustion Chamber Style:
- Heart
- CNC-Machined Intake Runner:
- No
- Intake Runner Volume (cc):
- 360cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- 24 degree
- CNC-Machined Exhaust Runner:
- No
- Exhaust Runner Volume (cc):
- 128cc
- Exhaust Port Shape:
- Oval
- Exhaust Port Location:
- Raised 0.500 in.
- Exhaust Valve Angle:
- 15 degree
- Intake Valves Included:
- No
- Intake Valve Diameter (in.):
- 2.250 in.
- Exhaust Valves Included:
- No
- Exhaust Valve Diameter (in.):
- 1.880 in.
- Valve Type:
- N/A
- Maximum Valve Lift (in.):
- N/A
- Valve Springs Included:
- No
- Valve Spring Type:
- N/A
- Outside Diameter of Outer Spring (in.):
- N/A
- Valve Guides Included:
- Yes
- Valve Guide Material:
- Phosohor bronze
- Valve Seats Machined:
- Yes
- Valve Seat Material:
- Powdered metal
- Valve Seat Machine Style:
- Multi Angeled
- Retainers Included:
- No
- Retainer Material:
- N/A
- Valve Stem Seals Included:
- No
- Valve Stem Seal Style:
- N/A
- Locks Included:
- No
- Lock Style:
- N/A
- Camshaft Style:
- N/A
- Spark Plug Style:
- Angled
- Guideplates Included:
- No
- Guideplate Pushrod Size:
- N/A
- Rocker Arm Studs Included:
- No
- Rocker Arm Nut Thread Size:
- N/A
- 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:
- Will not work with stock stud location stud girdles. Spark Plug Type 14mm Spark Plug, .750 Reach
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1966-1990