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.

*Reflects included Valve Guide Labor Costs, if new Valve Guides are required, then an additional charge will be added

VAC's Stage 1 Performance Cylinder Heads are always a popular choice when rebuilding an engine and a fantastic value in performance.

When considering the reconditioned cylinder head options we offer; Stage 1 offers performance gains at only a slightly higher price. Best of all, our Stage 1 heads are still Stock Class legal. A great choice for any vehicle.

Our Stage One Cylinder Heads feature the following:

• Complete Disassembly & Cleaning

• Comprehensive Leak, Crack & Pressure Test

• Inspect All Components For Irregular Wear

• Our High performance Multi Angle Valve Job using Serdi Equipment

• All New VAC Uprated Valve Guides

• Viton Valve Seals

• Reconditioning & Blueprinting of Your Valves

• Balancing of Your OE Springs

• Trueness Checked & Resurfaced Mating Surface

• Unshrouding of Valves

• Attention to Potential Hot-spot Areas and Chamfering

VAC's Stage 3 Performance Cylinder Heads are the ULTIMATE in cylinder head technology and performance, crafted with more than 50+ years experience in the racing field.

Many of our cylinder heads are capable of 120-155 HP per liter N/A, and of course drastically more when used with forced induction. We have spent many, many years on the dyno, the flow bench, and even more years though world-wide racing experience to achieve such excellent results while being reliable enough to compete in professional motorsports. Our Stage 3 heads are intended to produce maximum peak horsepower while still maintaining excellent powerband, the crucial secret of the fastest race engines in the world!

Even though they are an extreme departure from stock, we have stage 3 heads for use on the ultimate street performance vehicle as well.

Our Stage 3 Cylinder Heads feature the following:

• Complete Disassembly & Cleaning

• Comprehensive Leak, Crack & Pressure Test

• Inspect All Components For Irregular Wear

• Our Superior Max Performance Multi-angle Intake, Radius Exhaust Valve Job Using Serdi Equipment

• One-Piece High Performance Stainless Steel Valves, Balanced and Blueprinted (Standard or Oversized)

• Unshrouding of Valves

• Meticulous Port and Polish Work

• Attention to Potential Hot-spot Areas and Chamfering

• CC'ed and Chamber Reprofiling as Needed

• All New VAC Up rated Valve Guides

• Trueness Checked & Resurfaced Mating Surface

• High Performance VAC Valve Springs, Balanced

• Titanium Or Steel Alloy Valve Spring Retainers

• Proprietary Tweaks to Improve Performance
  Everything above is a Flow-Bench and real world tested design

Requirements:

• 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.

• This price does not include installation of camshaft/s. Please request if required, additional charge of $99-179.

VAC Tech Tip:

Cleaning up the path of the intake and exhaust around the valves as well as a multi-angle valve job net power gains with no drawbacks! Every engine rebuild can benefit from this addition.