Piston ring set. 93mm to fit 1800cc air-cooled Type 4 engines (AP/AW/AN/AT/ED/EC). Produced by AA Performance Products, these Piston Rings are great quality reproductions of the original and are produced by the leading manufacturer of aircooled VW specialist Barrel & Piston kits. Bore 75mm Top ring 2mm Middle ring 2mm Bottom ring 5mm .
