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This CP Piston and ring set is made for Audi/Volkswagen 1.8L 20-valve engines with a bore of 81.5mm, supplied as a set of four pistons sized +0.5mm with a 9.5 compression ratio. The kit includes rings and pistons matched to the oversize bore specification, offering an OEM-replacement style solution for engine rebuilds that require the specified bore, size and compression ratio details.
CP Piston & Ring Set for Audi/VW 1,8L 20 Valve - Bore (81.5mm) - Size (+0.5) - CR (9.5) - Set of 4
