VAC Motorsports Stage 1+ Cylinder Heads have all
the advantages of Stage 1 but here real performance begins:
Stage 1+ heads have a '"Mini Port-and Polish" job on the head. Just
what the N54 needs! We determined what additional steps and were
were needed to optimize port flow and velocity in a cost effective
manner on the N54/N55 and hit a home run.
This enhances the torque curve; low, mid and top-end power- while
also offering improved engine throttle response and even fuel
economy!
Compatible with all other cylinder head upgrades.
As the popularity of this platform grows these are sure to be one
of our most popular options.
Our Stage 1+ Cylinder Heads feature the following:
- Comprehensive Leak, Crack & Pressure Test
-
Complete
Disassembly & Cleaning
- Inspect All Components For Irregular Wear
- Our High
performance Multi Angle Valve Job using Serdi Equipment
- All New Valve Guides
- All New Viton Valve Seals
- Blueprinting and reconditioning of Your Valves
- Balancing of Your OE Springs
- Trueness Checked & Resurfaced Mating Surface
- Unshrouding of Valves / throat cut
- "Mini" Port and Polish & Valve Seat Blend
- Attention to Potential Hot-spot Areas and Chamfering
- A Core cylinder head is required for all head work, please call
or email if you will no be supplying us with a head for updated
core market price.
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