Heres a stage 1 http://cgi.ebay.com/ebaymotors/1970...84QQihZ002QQitemZ120116625677QQrdZ1QQtcZphoto Very pricey....
If you are looking for a original S-1 block and heads with a 70 intake,I have one. From oil pan to intake,no carb,no distributor.BrunoD.