CP Piston & Ring Set for Nissan RB25DET 6cyl-Bore (86.50mm)-Size (+0.5mm)-CR (9.0:1) (Set of 6)

The CP Piston & Ring Set for Nissan RB25DET is a high-performance engine component designed to enhance the durability and efficiency of the 6-cylinder RB25DET engine. Manufactured by CP Pistons, this set includes pistons and rings with a bore diameter of 86.50mm, featuring a size increase of +0.5mm and a compression ratio of 9.0:1. Constructed from premium materials, these pistons are engineered for strength and thermal stability, ensuring reliable operation under demanding conditions. The set provides a precise fit and optimal sealing, contributing to improved power output and engine longevity, making it suitable for both street and track applications.

This piston and ring set is compatible with Nissan RB25DET engines found in various Nissan models from the late 1980s through the early 2000s. It is intended for engines requiring a bore size of 86.50mm with a +0.5mm oversize and a 9.0:1 compression ratio. Designed as a direct replacement, it is ideal for engine rebuilds, performance upgrades, or restoring stock specifications. The kit includes six pistons and rings, ensuring a complete overhaul for the engine’s top end. Suitable for enthusiasts seeking reliable performance, this set supports both daily driving and high-performance tuning projects.