CP Pistons SC73241-4 Forged Dish Pistons for 1989-1998 Nissan 240SX SR20DE/DET

Vehicle Fitment

• 1989-1998 Nissan 240SX (Base, SE, LE, XE) - SR20DE/DET

Fitment Notes

• Not compatible with 2025 models or newer.
• Not CARB legal; not for sale in California or CARB states.

Features

• High-strength 2618 aluminum forged construction for durability.
• Precision CNC-machined and balanced to +/- 1 gram.
• Accumulator groove included to enhance oil control.
• Double pin oilers for improved lubrication and reliability.
• Pick lock grooves for easy lock removal during assembly.
• Designed for oversized valves and high-lift camshafts.
• Optimized for performance applications requiring 8.5:1 compression ratio.
• Includes wrist pins at no extra cost for complete installation.

Specifications

• Bore: 86.000 mm (3.386 in)
• Compression Ratio: 8.5:1
• Compression Height: 32.004 mm
• Rod Length: 136.25 mm
• Pin Diameter: 22 mm
• Piston Material: 2618 Forged Aluminum
• Ring Sizes: 1.0 mm, 1.2 mm, 2.8 mm
• Position: All cylinders (set of 4)

Included Components

• 1x SC73241-4 Piston & Ring Set (4 pistons)
• 4x Wrist Pins
• 4x Circlips

Product Description

The CP Pistons SC73241-4 is a high-performance forged piston and ring set designed specifically for the 1989-1998 Nissan 240SX equipped with the SR20DE or SR20DET engine. This set includes four pistons, each crafted from high-strength 2618 aluminum forgings and precision CNC-machined to ensure optimal balance and performance. The pistons feature an 86.000 mm bore and an 8.5:1 compression ratio, making them ideal for applications requiring enhanced durability and power output.

Designed with performance enthusiasts in mind, the SC73241-4 pistons are engineered to accommodate oversized valves and high-lift camshafts, ensuring compatibility with modified engine setups. The inclusion of accumulator grooves, double pin oilers, and pick lock grooves enhances oil control and simplifies assembly, respectively. Additionally, wrist pins are included at no extra cost, providing a complete solution for engine rebuilds or upgrades.

Please note that this piston set is not compatible with 2025 models or newer and is not CARB legal, meaning it cannot be sold in California or other CARB-regulated states. Ensure your vehicle meets the specified fitment criteria before purchasing.