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
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
If you want to know more about the Dart Contact Us.
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
190 - 64-72" open chamber. High Performance
190 - 55" open chamber. Race ideal lower
RPM (sprint) or small cubic inch.
210 - 55" open chamber. Race 350 or larger
210 - 64-72" open chamber. Race 350 or larger
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.