Manley 599800CE-8 Extreme Duty Forged Piston Set for Chrysler Hemi - 6.4L 392

The Manley 599800CE-8 Extreme Duty Piston Set is engineered for high-performance Chrysler 6.4L (392ci) Hemi engines, delivering exceptional strength and reliability for demanding applications. This 8-piece piston set features forged 2618 high-strength aluminum alloy construction, providing superior high-temperature strength and fatigue resistance capable of handling up to 1,800 horsepower.

Key Specifications:

• Bore: 4.090 inches
• Compression Height: 1.210 inches
• Dome Volume: 1.75cc (positive dome)
• Compression Ratio: 11.0:1 (with 72cc chamber and .030" gasket)
• Stroke: 3.724 inches (stock stroke compatible)
• Rod Length: 6.200 inches
• Piston Weight: 430 grams each
• Ring Package: 1.5mm x 1.5mm x 3mm (rings sold separately)

Premium Features:

• Forged 2618 aluminum alloy for maximum durability and heat resistance
• Lightweight offset wrist pin design for reduced reciprocating mass
• Premium Chrome Moly wrist pins with 9310 series extreme duty construction (.927" diameter)
• Round wire locks included
• Forced pin oiling for enhanced lubrication
• Pressure balance groove for improved ring seal
• Precision pin fitting for optimal performance
• Contour forgings with no grain-interrupting internal milling

Manley's proprietary "one fixturing" manufacturing method ensures perfect ring groove to skirt squareness, maximizing cylinder wall contact and horsepower output. The multi-step top ring groove machining process delivers precise control of groove geometry, flatness, and finish. These Extreme Duty pistons are designed for serious performance builds, including forced induction applications, and require no balancing when used with stock 6.4L Hemi components.