Manley 561300CE-8 Platinum Series Extreme Duty Gen V L83 5.3L Forged Piston Set 3.780 Bore -10cc Dish

Manley Performance 561300CE-8 is a Platinum Series Extreme Duty forged piston set engineered for GM Gen V 5.3L L83 engines. Designed for high-performance builds, forced induction, and power-adder applications, these pistons deliver the strength and precision that professional engine builders demand.

Key Specifications:

• Bore Size: 3.780 in.
• Stroke: 4.000 in.
• Rod Length: 6.125 in.
• Piston Volume: -10cc Dish
• Series: Platinum Series — Extreme Duty (CE)
• Ring Package: 1.2mm x 1.2mm x 3mm (rings sold separately)
• Wrist Pin: 9310 alloy, 2.300 in. x .210 in. wall — included

Key Features:

• Forged from 2618 high-strength alloy for superior durability under extreme heat and pressure
• Contour forgings provide optimum balance between strength and weight without grain-interrupting internal milling
• Proprietary multi-step top ring groove machining ensures precise control of groove geometry, flatness, and finish for maximum sealing
• Unique single-fixturing manufacturing method guarantees perfect ring groove-to-skirt squareness for maximum horsepower
• Moly-coated skirts reduce friction and wear for extended service life
• Offset wrist pin design for reduced piston slap and noise
• Pressure balance groove and roundwire locks included
• Forced pin oiling and precision pin fitting

The Manley 561300CE-8 piston set is built to handle the demands of turbocharged, supercharged, and nitrous-fed Gen V L83 builds. Each set includes wrist pins and locks — no need to source hardware separately.