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This CP Piston is a single replacement piston specified for Volkswagen GTI/Jetta applications with an 83mm bore and 21mm pin, featuring a -8.5cc dome to yield a 9.5:1 compression ratio. Supplied as an individual piston, it matches the listed bore, pin and dome dimensions for direct use in compatible engine builds or repairs where those exact specifications are required.
CP Piston Volkswagen GTI/Jetta - Bore (83mm) - Pin (21mm) - Dome (-8.5cc) - CR (9.5:1) - SINGLE
