CP Piston & Ring Set for Toyota 4AG 16V - Bore (82.0mm) - Size (+1.0mm) - CR (12.0) - Set of 4

This is a set of four forged pistons and rings from CP Pistons, specifically made for the Toyota 4AG 16V engine. These pistons are 82.0mm in bore size, which is 1.0mm larger than the stock bore, and they feature a 12.0:1 compression ratio. If you're rebuilding or modifying your 4AG engine and need a robust piston upgrade, this set is built to handle increased performance demands.

CP Pistons are well-known for their strong construction, and these are forged from high-strength aluminum alloy. This forging process creates a denser, more durable piston that can withstand higher cylinder pressures and temperatures compared to cast pistons. The 12.0:1 compression ratio is an updated figure that can help improve power output, especially when paired with appropriate tuning and camshafts. This set includes the necessary rings to complete the piston assembly, ensuring proper sealing and oil control.

When installing these pistons, it's important to ensure your engine block has been properly bored and honed to the exact 82.0mm size. Proper cylinder wall preparation is critical for the longevity and performance of these performance pistons. Always refer to the manufacturer's installation instructions for specific clearances and assembly details.