$$699.00Engine \ Cylinder Heads \ Chevy Big Block Aluminum Heads4075057
TCH407-5057
FloTek 407-5057 Big Block Chevrolet 360cc/133cc Aluminum Cylinder Head .700 LiftAssembled, Solid Roller Cams, Sold as Each
Flo-Tek offers one of the most affordable ways to add a set of aluminum cylinder heads to your Big Block Chevrolet. These cylinder heads have a 360cc 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 ...
FLO-TEK

FLO-TEK

FloTek 407-5057 Big Block Chevrolet 360cc/133cc Aluminum Cylinder Head .700 Lift

Assembled, Solid Roller Cams, Sold as Each

Item #: TCH407-5057

Mfg Part #: 4075057

UPC #: 850134007136

Applies To Continental U.S. orders only

Specifications
Cylinder Head specifications
Cylinder Head Style:
Assembled
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:
Yes
Intake Valve Diameter (in):
2.250 in.
Intake Valve Angle:
24 Degree
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in):
1.880 in.
Exhaust Valve Angle:
15 Degree
Valve Type:
Stainless, Swirl-Polished
Valve Springs Included:
Yes
Valve Spring Type:
Dual
Maximum Valve Lift (in):
0.700 in.
Outside Diameter of Outer Spring (in):
1.625 in.
Damper Spring Included:
Yes
Valve Spring Pressure Closed:
280 lbs.
Valve Spring Pressure Open:
847 lbs.
Retainers Included:
Yes
Retainer Material:
10 Degree Chrome Moly
Locks Included:
Yes
Lock Style:
10 Degree Chrome Moly
Valve Stem Seals Included:
Yes
Valve Stem Seal Style:
Positive seals
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:
Phosohor 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 Gen V
Engine Size 2:
7.4L/454
Years 2:
1991-1995
Engine Family 3:
Chevy big block Gen VI
Engine Size 3:
7.4L/454
Years 3:
1996-2000
General
Brand
FLO-TEK
Item #
TCH407-5057
Mfg Part #
4075057
UPC
850134007136
Description

Flo-Tek offers one of the most affordable ways to add a set of aluminum cylinder heads to your Big Block Chevrolet. These cylinder heads have a 360cc 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. The Hi performance springs can be used on hydraulic roller cams up to .700 inches of lift. These Flo-Tek cylinder heads even come with a five angle valve job, you don't see that on most more expensive cylinder heads. These heads are complete and ready to run. Sold individually.

 

Hi Performance Springs (lift up to .700)

CFM Intake Short Runner at .700 339.0 CFM

CFM Intake Long Runner at .700 342.9 CFM

CFM Exhaust at .700 242.7 CFM

  • 2.250" Intake Stainless Swirl Polished Valves
  • 1.880" Exhaust Stainless Swirl Polished Valves
  • Alailable in 320cc or 360cc intake runners
  • 128cc exhaust runners
  • 121cc combustion camber
  • Hi performance springs with different lift combinations
  • 7/16" screw in studs and guide plates
  • Positive Seals
  • Hardened lock & retainers
  • High temp exhaust seats
  • Phosohor bronze intake & exhaust guides
  • 5 angle valve job
  • Steel Spring Locators
  • Sold as each
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