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Part Number:
CNC-LS317P

LS 6.0L 317 Aluminum Cylinder Head CNC Porting Service ( Customer Supplied Bare Heads )

CNC Ported LS 6.0L LQ4 LQ9 317 Cylinder Heads, Customer Supplied Bare Castings (pair)

$599.95
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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.
Porting service for LS 6.0L LQ4 LQ9 317 aluminum cylinder heads, customer supplied bare castings

CNC-Motorsports Porting / Machining Service includes
  • CNC Porting, intake, exhaust and combustion chamber
  • Porting program is designed for 2.000 intake valve and 1.590 exhaust valve size
  • **Cylinder head assembly available, please call for pricing.

    Intake Flow
  • .100 - 69 cfm / CNC Ported 65 cfm
  • .200 - 152 cfm / CNC Ported 141 cfm
  • .300 - 214 cfm / CNC Ported 213 cfm
  • .400 - 253 cfm / CNC Ported 263 cfm
  • .500 - 255 cfm / CNC Ported 294 cfm
  • .600 - 255 cfm / CNC Ported 305 cfm
  • .700 - cfm / CNC Ported 310 cfm

    Exhaust Flow
  • .100 - 53 cfm / CNC Ported 51 cfm
  • .200 - 103 cfm / CNC Ported 105 cfm
  • .300 - 140 cfm / CNC Ported 139 cfm
  • .400 - 167 cfm / CNC Ported 166 cfm
  • .500 - 178 cfm / CNC Ported 185 cfm
  • .600 - 183 cfm / CNC Ported 201 cfm
  • .700 - / CNC Ported 210 cfm
  • More Information
    CNC Part Number CNC-LS317P
    Price $599.95
    Manufacturer's Part Number LS317P
    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 2.000
    Custom Notices ⚠ PROP 65 WARNING
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