Manley 643105C-6 Platinum Series Forged Piston Set 86.5mm Bore Nissan RB26DETT

The Manley 643105C-6 Platinum Series piston set is engineered for the Nissan RB26DETT 2.6L engine, featuring 86.5mm bore diameter and a +17cc dome design that delivers a 9.0:1 compression ratio. This complete set includes six forged pistons with piston rings, making it ideal for performance builds and engine rebuilds.

Advanced Engineering and Construction:

• Forged from domestic 2618 aluminum alloy for superior strength and heat resistance
• Lightweight design with offset wrist pin for quiet cold starts
• Proven cam and barrel skirt profiles for maximum power while minimizing cylinder wall wear
• Precision-machined ring lands and grooves for enhanced ring seal and increased power
• Pressure balance groove for improved durability

Premium Components Included:

• Tool steel wrist pins with chrome moly construction (.150" wall x 2.250" length)
• Steel top ring sets with round wire locks
• Molybdenum skirt coating for reduced friction
• 0.827" wrist pin diameter

Specifications:

• Bore Size: 86.5mm (3.406")
• Compression Height: 1.103 inches
• Rod Length: 4.783 inches
• Stroke: 77.7mm (standard)
• Compression Ratio: 9.0:1
• Dome Volume: +17cc
• Ring Sizes: 1.0mm / 1.2mm / 2.8mm
• Recommended Piston Clearance: .0035" measured .850" from bottom of oil ring
• Designed for +1mm oversized valves

Manley's unique fixturing process allows skirt turning and ring groove machining in a single operation, ensuring ultimate ring groove to skirt squareness. Trusted by professional engine builders and tuners worldwide for superior performance and durability in high-performance applications.