The Supertech pistons for Ford Zetec are supplied as a set of four machined to an 85mm bore with a +3.5cc dome delivering a 10.6:1 compression ratio. Rings are not included. These pistons let you restore the intended combustion volume and piston-to-bore fit when rebuilding or servicing the Zetec engine, matching the explicit bore and compression specifications required for that application.
Supertech Ford Zetec 85mm Bore +3.5cc Dome 10.6:1 CR Pistons - Set of 4 (Excl Rings)