All VAC cylinder head services are performed on existing customer cores. This requires the customer's core to be supplied to VAC for servicing.
If you do not have a core, then contact our sales team at Sales@VACmotorsports.com to have one sourced.
The VAC Motorsports Ported Cylinder Head Service is performed in-house in our state of the art machine shop by our skilled engine builders and engineers. Services performed include Centroid 5-Axis CNC porting on the intake and exhaust ports and Newen 5-Angle CNC valve job.
Complete service offering breakdown below:
Stage 1
Stage 2
Stage 3
CNC 5-Axis Porting
NO
YES
Performance Valves
Performance Springs
Performance Retainers
Valve Guides*
Valve Seals
Multi Angle Valve Job
Resurfaced Mating Surface
Complete Assembly
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