Cylinder Head Specialists
Cylinder Heads
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Holden 308 - New HP Series of High Performance Cylinder Heads.
Cylinder Head Specialists in Christchurch has developed a true high performance 308 Holden Cylinder Head suitable for fast street strip type application. Suitable for unleaded fuels these heads are original castings that have been extensively modified as follows:
  • All heads are chemically cleaned and magnaflux crack tested
  • 16 new Bronze Guide Liners are fitted
  • Hardened ex seats are fitted
  • Larger inlet valves are fitted
  • Ports are modified to suit
  • Chambers are modified and polished
  • Valves are new tuffrided steal ex with new Manley Race Master stainless inlet valves assembled with new seals and high performance springs.
These heads have gone through hundreds of hours of flow bench and dyno time and flow more air than B Casting L34 and late model VN on high port castings.
Priced at NZ$1595.00 + GST Complete. Find out more about these heads or Contact Us for further information.


Dart Cylinder Heads
We stock this brand because we have found them superior to other 23 degree iron heads, being stronger and capable of making more power. They are the ultimate choice for your iron head rules.
  • Sold as a Complete Street Performance Package.
  • 1.6 2.02 Manley Street Master Stainless Valve.
  • 1.250 High Performance Springs.
  • New Manley Retainers and New Stamped Locks.
Or as a Fully Ported Race Package capable of making well over 600 H.P.
1.6 2.08 Valves with Spring Package to suit your Cam requirements.

If you want to know more about the Dart Contact Us.

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AFR - AirFlow Research
We carry AFR Cylinder Heads in stock in 23 degree Chev style. These are our preferred brand. We have extensive knowledge on porting, what type suits what application, etc.
    AFR Chev 23 Degree
  • 190 - 68" quench chamber. High Performance Street Race.
  • 190 - 64-72" open chamber. High Performance Street Race.
  • 190 - 55" open chamber. Race ideal lower RPM (sprint) or small cubic inch.
  • 210 - 55" open chamber. Race 350 or larger Higher RPM.
  • 210 - 64-72" open chamber. Race 350 or larger Higher RPM.
  • 220 - 64-72" open chamber. 400 or larger alcohol High RPM.
  • 215 - 64-72" open chamber. Raised Runner 400+ alcohol High RPM.
  • 165 Fast Street Race 289, 302.
  • 185 Fast Street Race 289, 302, 351.
If you want to know more about the AFR Cylinder Heads Contact Us.

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