Carrillo SC7297-1 Forged Piston for Nissan RB25DET NEO 86.5mm 9.0:1 Single

The Carrillo SC7297-1 is a high-performance forged piston designed specifically for the Nissan RB25DET NEO engine. This single piston features an 86.5mm bore diameter and achieves a 9.0:1 compression ratio, providing an optimal balance of performance and reliability for street and performance applications.

Key Features:

• High-strength aluminum forging for superior durability under high cylinder pressures
• 86.5mm (3.406") bore diameter with +0.5mm dome
• 9.0:1 compression ratio optimized for RB25DET NEO applications
• Deep valve reliefs accommodate high-lift camshafts and oversized valves
• Dual pin oilers provide enhanced lubrication to the wrist pin
• Accumulator groove reduces ring flutter and improves ring seal
• Fully CNC machined and balanced to +/- 1 gram
• 1.220" compression height with 121.5mm connecting rod length
• Wrist pin included at no additional cost
• Pin lock grooves for easy installation and removal

CP-Carrillo pistons are engineered through extensive research and development with support from leading names in motorsports. Each piston features radiused valve reliefs, pin fitting final hone on the wrist pin bore, and is designed to handle detonation and high cylinder pressures better than cast units. This is a single replacement piston; complete sets are available under part number SC7297.

Note: This piston is designed exclusively for RB25 engines and will not work in RB26 applications. Proper piston-to-bore clearance (typically 0.0015" to 0.0025") should be confirmed with your engine builder.