In terms of external engine parts that deviate from stock, I see Dellorto carbs, an oil cooler adapter, tubular headers, and a vacuum advance distributor. No doubt additional tuning comes from internal parts; things like cams, pistons, head porting.Mats Georgson said:
The head/block/pan/front cover seem to have been painted silver after assembly - notice the painted bits of rag stuffed into the openings.
