Trick Flow® PowerOval® 280 Cylinder Heads for Big Block Chevrolet TFS-4131B001-M13

Cylinder Head, PowerOval® 280, Aluminum, Bare, 113cc Chamber, 280cc Intake, Chevy, Big Block, Each

Part Number:
TFS-4131B001-M13
Part Type:
UPC:
842645109263
Combustion Chamber Volume (cc):
113
Intake Runner Volume (cc):
280cc
Exhaust Runner Volume (cc):
129cc
Cylinder Head Style:
Bare
Cylinder Head Material:
Aluminum
Intake Port Shape:
Oval
Intake Valve Diameter (in):
2.190 in.
Cylinder Head Finish:
Natural
CNC-Machined Combustion Chamber:
Yes
CNC-Machined Intake Runner:
No
CNC-Machined Exhaust Runner:
No
Combustion Chamber Style:
Heart
Intake Port Location:
Standard
Exhaust Port Shape:
D-port
Exhaust Port Location:
Raised
Spark Plug Style:
Angle
Intake Valves Included:
No
Exhaust Valves Included:
No
Exhaust Valve Diameter (in):
1.880 in.
Valve Springs Included:
No
Damper Spring Included:
No
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Rocker Arm Studs Included:
No
Rocker Arms Included:
No
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Valve Cover Mounting Style:
Perimeter bolt
Accessory Bolt Holes Drilled:
Yes
Intake Valve Angle:
24/4
Exhaust Valve Angle:
15/4
Valve Guides Included:
Yes
Valve Guide Material:
Bronze
Valve Seats Machined:
Yes
Valve Seat Machine Style:
3-angle
Valve Seat Material:
Ductile iron
Steam Holes Drilled:
No
Oiling Style:
Through pushrod
Machined for O-Ring:
No
Heat Crossover:
No
Quantity:
Sold individually.
Notes:
Exhaust port is raised 0.300 in. over stock.

Trick Flow PowerOval® 280 cylinder heads for big block Chevy are an ideal upgrade from factory cast iron heads for street/strip and marine applications. They feature an oval intake port design that produces excellent low and midrange torque and horsepower, plus more efficient heart-shaped, CNC-profiled combustion chambers, .300" raised exhaust ports, extra-thick decks and walls for porting, and Fast As Cast® runners for near- CNC-ported performance at standard cast head prices. CNC bowl blended valve seat transitions promote high velocity and huge airflow volume and 24 degree valve angles with 4 degree side cants further increase airflow.

Cylinder heads are available fully assembled or as bare castings. Sold individually.

Warranty

Suggested Parts

Parts that may improve the performance or installation of part number TFS-4131B001-M13


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