4/02/2009
New Holden 6 Alloy Head
Yella Terra Legendary Alloy 12 Port Head is Back !!
The Yella Terra Alloy 12 port Head to suit the Holden Straight 6 has been reintroduced in the Australian Market with revised port designs that flow over 30%better than factory with much higher flow figures when ported.
The features:
- Excellent Flow Figures....240 HP potential out of the box
- Average of .250' port wall thickness for custom porting
- Over 60% lighter than factroy iron heads
- Flow Over 30% better than standard heads
- Both Standard Compression and Turbo Versions