Sale!

NEW LS3 OEM Cylinder Head CNC Ported 821 Castings

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.

 

Heads come with GM Valves included in price

Features
  • Heads come with GM Valves included in price
  • CNC machined from OEM Castings
  • 367cfm @.800"
  • Port design is optimised for flow and velocity
  • 5-axis CNC intake and exhaust port and combustion chamber machining
  • CNC machined valve seats

$2,999.00

Optional Extras

LS Machined from the OEM casting blank. These NxtGen cylinder heads will push your LS further than ever before.

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, Setup valve springs and assembly
Optional Extras
Disassembly & Reassembly Available