Cosworth Parts — YB & Escort Cosworth

Cosworth's YB engine powered the Sierra and Escort Cosworth in rallying and touring cars, and the name covers decades of competition engines from the DFV to the BDA. Parts for all of them change hands here.

Sellers list complete YB engines, cylinder heads, blocks, Garrett turbos, engine management and Escort Cosworth running gear. Every sale is a private sealed bid.