These are "new" and unused. 50 x 40, port work done by competition engineering, 62cc chambers. Titanium valves, jessel rockers, modified valve covers. Extensive modifications to heads. I will dig up flow sheets. Stud pattern is for 6 x 1/2" studs, and 4 - 8mm studs.
Im looking for 3k USD plus freight for them. I am in New Zealand.
![](http://i1292.photobucket.com/albums/b573/55slug/40DC1255-4A5F-4507-AAF8-8BDF8B46846A-415-000000558F7178F2_zpsbb1c68c3.jpg)
![](http://i1292.photobucket.com/albums/b573/55slug/B1A99F7D-AF05-41FC-9850-2D35955A992E-415-00000055902AC168_zps6b828d04.jpg)
![](http://i1292.photobucket.com/albums/b573/55slug/9484153ffbb03f5aac96ae6d10e8d04e_zpsb4bcc75a.jpg)