LS3 LS268 CNC Ported Cylinder Heads, Assembled - Stage 1 ( Pair)

LS3 268, Assembled, .660 Lift Springs, Intake Runner 268cc, Combustion Chamber 73cc, Angle Plug, 2.165 Intake 1.600 Exhaust Valve, , Rectangle Port, 11 Degree, 6 bolt, CNC Ported

$2,499.95

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⚠ 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 is proud to offer our very own LS CNC ported head. Bolt on 100+ horsepower out of the box.

LS3 268 Assembled Cylinder Head Features
268cc CNC intake ports
2.165 Manley intake Valve
1.600 Manley exhaust Valve
Pac valve springs - .660 Valve lift hydraulic roller
Seat pressure 170 @ 1.780
Open pressure 440 @ .650" lift
Pac chrome moly retainers
11 Degree valve angle
73cc CNC combustion chambers
Fits 4.000 or larger bore
6 Bolt design for extra clamping force
CNC Ported in-house by CNC-Motorsports
Intake Flow
.100 - 74 cfm
.200 - 161 cfm
.300 - 229 cfm
.400 - 282 cfm
.500 - 332 cfm
.600 - 366 cfm
.700 - 386 cfm
Exhaust Flow with out pipe
.100 - 49 cfm
.200 - 106 cfm
.300 - 141 cfm
.400 - 171 cfm
.500 - 197 cfm
.600 - 216 cfm
.700 - 234 cfm
.800 - 243 cfm

**Recommended rockers Yella Terra YT6737, or YT6733**

Specifications

More Information
CNC Part Number	CNC-LS268-P1
Price	$2,499.95
Manufacturer's Part Number	LS268-P1
Brands	CNC-Motorsports
Part Types	Cylinder Head
Departments	Parts
Vehicle Make	Chevy LS
Combustion Chamber Size	73cc
Cylinder Head Material	Aluminum
Cylinder Head Style	Assembled
Exhaust Valve Size	1.600
Intake Runner Size	268cc
Intake Valve Size	2.165
Plug Style	Angle Plug
Custom Notices	⚠ PROP 65 WARNING

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