90.5mm Autolinea Big Valve Cylinder Head. WITH 40x35.5 Valves. 92mm Bore 1776cc

Autolinea 041 Cylinder Head.
Inlet 40.00mm.
Exhaust 35.50mm.
Sparkplug 12mm 3/4"
These come complete with stainless steel Valves, springs and collects. 
98mm Bore
Price Each.