Just saw this on Ebay. Being a trimatic block and 4D9 cast date can only be a 1979 red 308 block from a HZ or a VB with an M21. Not sure why it has a VK 304 engine number but it is cheap if you need a 1979 date coded manual 308 block!

http://www.ebay.com.au/itm/Holden-30...item19fe4c10c3

$100 buy it now in Pakenam VIC.