Wiseco K694M955 Forged Piston Kit Nissan VR38DETT 95.50mm Bore -7cc Dome 1.210in Compression Height

The Wiseco K694M955 is a Professional Series forged piston kit designed for the Nissan VR38DETT 3.8L twin-turbocharged V6 engine. Built for serious racing and high-performance street builds, this kit delivers the precision, strength, and durability required to handle power-adder applications including turbocharged, supercharged, and nitrous-assisted setups.

Key Specifications:

• Bore: 95.50 mm / 3.760 in (Standard)
• Compression Height: 1.210 in (30.74 mm)
• Dome Volume: -7cc
• Compression Ratio: 9.5:1
• Rod Length: 6.496 in / 164.9 mm
• Head CC Volume: 64.2cc
• Gasket Thickness: 0.030 in / 0.762 mm
• Deck Clearance: 0.026 in / 0.66 mm
• Block Height: 9.606 in / 243.9 mm

Kit Includes:

• Wrist pin: S792 23mm — 0.905 x 2.250 in
• Ring set: 9550XX

Key Features:

• 2618 Forged Aluminum Construction — engineered, forged, and machined in the USA for superior tensile strength and fatigue resistance
• ArmorGlide® Skirt Coating — provides seizure resistance, reduced friction, and quieter operation
• Precision Ring Grooves — anti-detonation groove design for improved ring seal and durability
• Fully Machined Crown — optimized combustion chamber geometry for consistent power output
• Crown thickness and ring lands designed for boosted and power-adder applications

The Wiseco K694M955 piston kit is engineered to meet the demands of the most aggressive VR38DETT builds, delivering the tight tolerances and consistent quality that Wiseco's Professional Series is known for.