Carrillo SC73241-4 Forged Piston Set for Nissan SR20DE/DET 86mm Bore 8.5:1 CR

These pistons feature an 86mm bore (3.386 inches), 8.5:1 compression ratio, and 1.260-inch compression height, making them ideal for street performance, turbo, supercharger, and nitrous applications.

Key Specifications:

• 86mm bore (3.386 inches) with 86mm stroke
• 8.5:1 compression ratio
• 1.260-inch compression height (32.004mm)
• 136.25mm rod length compatibility
• 22mm wrist pin diameter (0.866 inches)
• +15cc dish piston head volume
• 321 gram piston weight
• Dish design with no valve reliefs

Performance Features:

• Balanced to +/- 1 gram for smooth operation
• Deep valve reliefs to accommodate high lift camshafts
• Compatible with oversized valves and high lift camshafts
• Accumulator grooves and dual forced pin oilers
• Fully CNC machined with dedicated forgings
• Press-fit or floating wrist pin style
• Suitable for turbo, supercharger, and nitrous applications

• Piston rings (CPN 3386)
• Wrist pins and pin locks
• Wrist pin retainers

CP-Carrillo pistons are manufactured in the USA using proprietary tooling and state-of-the-art CNC equipment. Cross-references OEM part number 13101-46030. Each piston undergoes rigorous quality control in climate-controlled inspection facilities to ensure maximum performance and reliability for racing and high-performance street applications.