Wiseco K549M875AP Forged Piston Kit for 1990-1996 Nissan 300ZX VG30DETT

Vehicle Fitment

• 1990-1996 Nissan 300ZX (VG30DETT, 3.0 L 24-valve, twin-turbo)

Features

• Forged 2618 aluminum construction for high strength and durability
• ArmorGlide® skirt coating reduces friction and noise
• Dished crown (-9.0 cc) to tune compression for turbo applications
• Full-round strutted forging for added rigidity
• Precision ring grooves and anti-detonation features
• Forced pin oiling to enhance wrist-pin lubrication
• Includes premium performance ring set (8750XX series)
• Balance of strength and lightweight for high-performance turbo builds

Specifications

• Bore: 87.50 mm (3.445 in)
• Compression Height: 32.00 mm (1.260 in)
• Piston Dish Volume: -9.00 cc
• Compression Ratio: ~8.5:1-8.9:1 (turbo-friendly)
• Wrist Pin Diameter: 22 mm (0.866 in)
• Ring Set: 1.0 mm / 1.2 mm / 2.8 mm (8750XX)
• Piston Material: Forged 2618 aluminum
• Set Quantity: 6 pistons

Included Components

• 6x forged pistons
• 6x 22 mm wrist pins
• 6x high-performance ring sets (8750XX)
• 6x circlips / locks

Product Description

The Wiseco K549M875AP piston kit is a high-performance forged set made specifically for the Nissan **VG30DETT** 3.0 L twin-turbo engine, commonly found in the 1990-1996 300ZX. Built from strong 2618 aluminum, these pistons are engineered to sustain the demands of forced induction and high RPM racing builds.

With a -9.0 cc dished crown, the compression ratio is optimized (~8.5-8.9:1) to safely handle boost while maintaining good efficiency and detonation resistance. The ArmorGlide® skirt coating reduces friction, and the strutted forging design enhances structural rigidity under high loads.

This comprehensive kit includes six pistons, 22 mm wrist pins, circlips, and a high-quality 8750XX ring set. The forced-pin oiling ensures reliable lubrication at the wrist pin area, making this kit ideal for serious performance tuners and race builders using the iconic VG30DETT powerplant.