LS3 821 823 ALUMINUM CYLINDER HEAD CNC PORTING SERVICE ( CUSTOMER SUPPLIED BARE HEADS / PAIR)

CNC Ported LS3 821, 823, 5364 Cylinder Heads, Customer Supplied Bare Casting, Pair or Heads

$599.95

Options

Disassembly and clean heads + $150.00

Resurface for MLS Gaskets + $160.00

Performance Valve Job + $350.00

Cylinder head Assembly + $150.00

other options please call

Qty

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

Porting service for LS3 821 / 823 aluminum cylinder heads, customer supplied bare castings

CNC-Motorsports Porting / Machining Service includes

CNC Porting, intake, exhaust and combustion chamber
Porting program designed for 2.165 intake valve and 1.590 exhaust valve size
72cc combustion chamber, 280cc intake volume, 93cc exhaust

Intake Flow
.100 - 75 cfm / CNC Ported 78 cfm
.200 - 163 cfm / CNC Ported 163 cfm
.300 - 233 cfm / CNC Ported 237 cfm
.400 - 277 cfm / CNC Ported 290 cfm
.500 - 317 cfm / CNC Ported 338 cfm
.600 - 326 cfm / CNC Ported 369 cfm
.700 - 324 cfm / CNC Ported 373 cfm

Exhaust Flow - no pipe
.100 - 50cfm / CNC Ported 48 cfm
.200 - 104 cfm / CNC Ported 107 cfm
.300 - 145 cfm / CNC Ported 148 cfm
.400 - 179 cfm / CNC Ported 195 cfm
.500 - 190 cfm / CNC Ported 210 cfm
.600 - 202 cfm / CNC Ported 220 cfm
.700 - 206 cfm / CNC Ported 226 cfm

Specifications

More Information
CNC Part Number	CNC-LS823P
Price	$599.95
Manufacturer's Part Number	LS823P
Brands	CNC-Motorsports
Part Types	Cylinder Head
Departments	Parts
Vehicle Make	Chevy LS
Cylinder Head Material	Aluminum
Cylinder Head Style	Bare Casting
Exhaust Valve Size	1.590
Intake Valve Size	2.165
Custom Notices	⚠ PROP 65 WARNING

Upsell Products

PART #: MAN-11361-8
LS Manley Race Master Exhaust Valves 1.550 11361-8
$188.69