LS3 Rectangle Port Aluminum Cylinder Heads Bare 257cc (2 Heads)

Intake Runner 257cc, Combustion Chamber 73cc, Angle Plug, 2.165 Intake 1.590 Exhaust Valves, Bare Casting Head, Rectangle Port, 11 Degree

$988.95

View Similar Items

⚠ PROP 65 WARNING

⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

Description

CNC Motorsports high flowing “As-Cast” LS3 cylinder heads are made out of high quality AC4B aluminum alloy and feature a street performance 3-angle valve job, bronze valve guides and ductile iron valve seats. This is an excellent out of the box performance cylinder head that doesn't break the bank.

Material: Aluminum AC4B

Combustion Chamber Size: 73cc

Intake Port Volume: 257cc

Exhaust Port Volume: 101cc

Intake Valve Diameter: 2.165"

Exhaust Valve Diameter: 1.590"

Intake Port Location: Stock

Intake Port Shape: Rectangle

Exhaust Port Location: Stock

Exhaust Port Shape: Round

Valve Job: Street Performance 3-Angle

Valve Stem Diameter: 8mm

Valve Cover Bolt Pattern: Center

Cylinder Head Angle: 11 Degree

Specifications

More Information
CNC Part Number	CNC-LS4407
Price	$988.95
Manufacturer's Part Number	LS4407
Brands	CNC-Motorsports
Part Types	Cylinder Head
Departments	Parts
Vehicle Make	Chevy LS
Combustion Chamber Size	73cc
Cylinder Head Material	Aluminum
Cylinder Head Style	Bare Casting
Exhaust Valve Size	1.590
Intake Runner Size	225cc
Intake Valve Size	2.165
Plug Style	Angle Plug
Custom Notices	⚠ PROP 65 WARNING

Upsell Products

PART #: MAN-12354H-8
LS Manley Severe Duty Pro Flo Hollow Stem Intake Valves 2.165 12354H-8
$694.19
PART #: MAN-12354-8
LS Manley Severe Duty Pro Flo Intake Valves 2.165 12354-8
$301.07
PART #: MAN-12355-8
LS Manley Severe Duty Exhaust Valves 1.600 12355-8
$301.07
PART #: YTR-YT6737
Yella Terra Pro Street Roller Rockers LS3 LS9 LSA L98 1.7 ADJ Ratio YT6737
$1,091.00
PART #: YTR-YT6733
Yella Terra Ultralite Roller Rockers LS3 LS9 LSA L98 1.7 HYD Ratio YT6733
$761.00