The CP Piston RB25DET 86.5/STD Stroke 9:1 is designed for the RB25DET engine, featuring an 86.5mm bore size for an exact fit and optimal combustion efficiency. With a 9:1 compression ratio, these pistons are well-suited for forced induction applications, such as turbocharged setups, allowing for higher boost levels without the risk of detonation. Crafted from forged aluminum, the pistons offer enhanced strength, durability, and heat resistance, making them ideal for high-performance and racing environments. The precision machining ensures consistent quality and performance,

Features

86.5mm Bore Size – Ensures precise fitment and improved combustion efficiency for the RB25DET engine.

Standard Stroke – Designed to work seamlessly with the standard RB25DET stroke for a balanced engine setup.

9:1 Compression Ratio – Perfect for forced induction, allowing high boost levels without detonation.

Forged Aluminum Construction – Provides exceptional strength and durability for extreme performance conditions.

Turbocharged Application Ready – Optimized for turbocharged setups, offering reliability and high-power handling.

Precision Machining – Ensures consistent, high-quality performance and reliability.

Ideal for High-Performance Builds – Perfect for racing, track use, and high-output engine setups.