$$399.00Engine \ Cylinder Heads \ Chevy Big Block Aluminum Heads408-500
TCH408-500
FloTek 408-500 Big Block Chevrolet 360cc/133cc Aluminum Cylinder Head. BareBare, Sold as Each
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 ...
FLO-TEK

FLO-TEK

FloTek 408-500 Big Block Chevrolet 360cc/133cc Aluminum Cylinder Head. Bare

Bare, Sold as Each

Item #: TCH408-500

Mfg Part #: 408-500

UPC #: 850134007150

Applies To Continental U.S. orders only

Specifications
Cylinder Head specifications
Cylinder Head Style
Bare
Cylinder Head Material
Aluminum
Combustion Chamber Volume (cc)
133cc
CNC-Machined Combustion Chamber
No
Intake Runner Volume (cc)
360cc
Exhaust Runner Volume (cc)
128cc
CNC-Machined Intake Runner
No
CNC-Machined Exhaust Runner
No
Combustion Chamber Style
Standard
Intake Port Shape
Rectangular
Intake Port Location
Standard
Exhaust Port Shape
Oval
Exhaust Port Location
Raised .500 in.
Spark Plug Style
Angled
Spark Plug Type
14mm Spark Plug, .750 Reach, 5/8 Hex
Intake Valves Included
No
Intake Valve Diameter (in)
2.250 in.
Intake Valve Angle
24 Degree
Exhaust Valves Included
No
Exhaust Valve Diameter (in)
1.880 in.
Exhaust Valve Angle
15 Degree
Valve Type
Stainless, Swirl-Polished
Valve Springs Included
No
Valve Spring Type
Dual
Maximum Valve Lift (in)
N/A
Outside Diameter of Outer Spring (in)
N/A
Damper Spring Included
No
Valve Spring Pressure Closed
N/A
Valve Spring Pressure Open
N/A
Retainers Included
No
Retainer Material
N/A
Locks Included
No
Lock Style
N/A
Valve Stem Seals Included
No
Valve Stem Seal Style
N/A
Rocker Arm Studs Included
No
Rocker Arm Studs Size
N/A
Rocker Arms Included
No
Rocker Arm Nuts Included
No
Guideplates Included
No
Valve Cover Mounting Style
Perimeter bolt
Accessory Bolt Holes Drilled
Yes
Valve Guides Included
Yes
Intake Valve Guide Material
Phosphor bronze
Exhaust Valve Guide Material
Phosphor bronze
Valve Seats Machined
Yes
Valve Seat Machine Style
Multi Angeled
Valve Seat Material
Powder Metal
Steam Holes Drilled
N/A
Oiling Style
Through pushrod
Machined for O-Ring
No
Heat Crossover
N/A
Quantity
Sold individually
Notes
Will not work with stock stud location stud girdles.
Applications
Make
Chevrolet
Engine Family
Chevy big block Mark IV
Engine Size
6.5L/396-7.4L/454
Years
1966-1990
Engine Family 2
Chevy big block
General
Brand
FLO-TEK
Item #
TCH408-500
Mfg Part #
408-500
UPC
850134007150
Description

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

  • Alailable in 320cc or 360cc intake runners
  • 128cc exhaust runners
  • 121cc combustion camber
  • Machined for 7/16" studs
  • High temp exhaust seats
  • Phosohor bronze intake & exhaust guides
  • 5 angle valve job
  • Sold as each
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