Wossner 92 mm Forged piston set. Other sizes available on request.
Supplied on order only
Application Ford Sierra and Escort Cosworth YB engine. Can supply in many sizes and deck heights.
Parts Included: each piston set is supplied with rings, gudgeon pin and circlips.
Wössner pistons feature a unique PTFE coating on the skirts and a grade of 4032 Alloy (T6) which allows the engine builder to run a closer piston to bore tolerance than they might do on another make of piston. This helps remove the slapping noise during cold start, common place among engines running forged pistons due to larger then OE bore clearances. The crowns of the pistons are also polished to better resist detonation on a high performance engine. Polishing allows a more even spread of heat inside the chamber which will help prevent “hot spots” on piston crowns.
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