Wiseco K693M955AP-3D Nissan Bore Dome Forged Piston - VR38DETT 95.50mm 6.6cc Set

The Wiseco K693M955AP-3D is a Professional Series forged piston set engineered for the Nissan VR38DETT 3.8L twin-turbocharged engine. Featuring a 6.6cc 3D dome crown, a 95.50 mm (standard) bore, and a 1.350 in. compression height, this set is purpose-built for high-output race and street performance builds demanding maximum durability and power.

Wiseco's Professional Series represents their highest tier of piston engineering — designed without compromise for serious engine builders tackling heavy to severe duty race applications. Each piston ships with premium rings included, ready for professional installation.

Key Features:

• Bore Diameter: 95.50 mm (Standard Bore)
• Dome Volume: +6.6cc 3D Dome Crown for increased compression ratio (~10.5:1)
• Compression Height: 1.350 in. (34.30 mm)
• Pin Diameter: 0.9055 in. (23.0 mm)
• Construction: Forged and machined in the USA from 2618 high-strength aluminum alloy for superior tensile strength and heat resistance
• ArmorGlide® Skirt Coating: Reduces friction, resists seizure, and promotes quieter operation under extreme conditions
• Fully Machined Crown Features: Precision-formed 3D dome geometry for optimized combustion efficiency
• Precision Ring Grooves: Machined to tight tolerances for proper ring seal and longevity

Whether you're building a high-boost street machine or a dedicated race engine, the Wiseco K693M955AP-3D Professional Series piston set delivers the precision, strength, and consistency that demanding VR38DETT builds require.