CP Pistons supplies this piston and ring set for the Toyota 4AG 20V as a four-piece kit. It lists an 82.0mm bore with +1.0mm oversize and a 12.0:1 compression ratio. The set is intended for engine rebuilds that require oversize pistons and rings to restore proper clearances and compression; the core spec sheet guides correct application when replacing worn components.
CP Piston & Ring Set for Toyota 4AG 20V - Bore (82.0mm) - Size (+1.0mm) - CR (12.0) - Set of 4