Water pump Ford Sierra Cosworth 2wd YB (not RS500) & SOHC Pinto
Cylinder block: Ford Cosworth YB RS500 thick wall motorsport type
Dave Cockell, Ford Escort Cosworth, Classic and Historic Thunder Saloon Championship, Burton Power Blue Oval Saloon Series, Thunder and Boss, Classic Stock Photo - Alamy
Dave Cockell, Ford Escort Cosworth, Classic and Historic Thunder Saloon Championship, Burton Power Blue Oval Saloon Series, Thunder and Boss, Classic Stock Photo - Alamy
Ford Cosworth YB Turbo Tuning Guide
High pressure oil pump: Ford Sapphire/Escort Cosworth YB 4wd