Part Number:

CNC-LS230P-Stage2

CNC Pro Flow Stage 2 LS1 Cathedral Port Aluminum Cylinder Heads (2 heads) .675 Lift Spring Kit

CNC Pro Flow LS1, Aluminum Heads, Intake Runner 230cc, Combustion Chamber 65cc, 2.00 Intake 1.60 Exhaust Valves, Cathedral Port, CNC Ported, Fits 3.905 or larger Bore, Stage 2, .660 Lift Spring kit

$2,799.95

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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.

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Description

CNC Motorsports Pro Flow CNC Ported LS cathedral port cylinder heads are fully machined and assembled in house by CNC-Motorsports. Out Stage 1 heads are designed for mildly aggressive street builds under 7500 RPM and 25+ pounds of boost. High boost levels we recommend the extreme duty exhaust valve upgrade.

Material: Aluminum

Combustion Chamber Size: 65cc *CNC Ported*

Intake Port Volume: 230cc *CNC Ported*

Exhaust Port Volume: 78cc *CNC Ported*

Intake Valve Diameter: 2.000"

Exhaust Valve Diameter: 1.600"

Dual Valve Springs, 145 Seat pressure @ 1.820", Max .675 lift

Lightweight Tool Steel Retainers

Intake Port Location: Stock

Intake Port Shape: Cathedral

Exhaust Port Location: Stock

Exhaust Port Shape: Round

Valve Stem Diameter: 8mm

Rocker Stud Diameter: 8mm

Recommended ARP Head Studs 234-4316 (2003 & Earlier), 234-4317 (2004 & Later)

Recommended ARP Head Bolts 134-3609 (2003 & Earlier), 134-3610 (2004 & Later)

Recommended rockers are standard LS or Yella Terra YT 6645

Valve Cover Bolt Pattern: Center

Flow numbers - Exhaust with out pipe

.100 Intake 72cfm / Exhaust 50cfm

.200 Intake 163cfm / Exhaust 113cfm

.300 Intake 217cfm / Exhaust 164cfm

.400 Intake 273cfm / Exhaust 199cfm

.500 Intake 296cfm / Exhaust 221cfm

.600 Intake 311cfm / Exhaust 229cfm

.700 Intake 313cfm / Exhaust 233cfm

Specifications

More Information
CNC Part Number	CNC-LS230P-Stage2
Price	$2,799.95
Sold As	Set
Manufacturer's Part Number	LS230P-Stage2
Brands	CNC-Motorsports
Part Types	Cylinder Head
Departments	Parts
Vehicle Make	Chevy LS
Combustion Chamber Size	65cc
Cylinder Head Material	Aluminum
Cylinder Head Style	Assembled
Exhaust Valve Size	1.600
Intake Runner Size	230cc
Intake Valve Size	2.000
Plug Style	Angle Plug
Custom Notices	⚠ PROP 65 WARNING

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