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LS1 OEM Cylinder Head CNC Porting – YOUR CASTING

The optimum for your OEM (original equipment manufacturer) cylinder head casting is to CNC machine the intake, exhaust ports and combustion chamber.
Transform your cylinder head castings with the latest Nxtgen 5-axis CNC porting technology and CNC valve seat machining.

Features
  • CNC machined from OEM Castings (#241)
  • 320cfm @.800"
  • Port design is optimised for flow and velocity
  • 5-axis CNC intake and exhaust port and combustion chamber machining
  • CNC machined valve seats

$1,290.00

Optional Extras

LS OEM cylinder head porting is available with the following options:
LS1 valve seats machined to accept 2.000" or 2.020" intake valve & 1.550" or 1.570" exhaust valve sizes
Varying combustion chamber volumes
Machining of your bare cylinder head castings only
Complete stripping, cleaning, machining and reassembling service
Aftermarket valve and spring packages to suit your application

Intake and Exhaust Port
5-axis CNC intake and exhaust port and combustion chamber machining
Head Gasket Face
Surfaced milled head gasket face for MLS gaskets
Valve Seats
Newen CNC single point, multi angle machined valve seats
Optional Extras
Valve refacing
Optional Extras
Disassembly & Reassembly Available