A very limited batch of genuine RS500 Cosworth YB motorsport blocks are now available. Machined from original castings, these blocks are stronger than the 4wd 200 block. All blocks are machined to take 6 long studs and are also machined for piston spray jets. Blanking plugs are supplied for applications that do not require the jets. Machined to original bore size and deck height, they also feature billet machined steel main caps. Supplied with oil gallery and water jacket bungs and core plugs. Long stud kit and piston spray jet kit can be supplied at additional cost. Std bore size.
Ford Cosworth YB 16v Turbo
- Ford Sierra RS Cosworth 3 door 1986-1987
- Ford Sierra Cosworth RS500 1987
- Ford Sierra Sapphire RS Cosworth 2wd 1988-1989
- Ford Sierra Sapphire RS Cosworth 4wd 1990-1992
- Ford Escort RS Cosworth 4wd T34 1992-06/1994
- Ford Escort RS Cosworth 4wd T25 06/1994-1996