Manley 592505C-8 Platinum Series Forged Piston Set 4.005" Bore LS Engine

The Manley 592505C-8 Platinum Series forged piston set is engineered for high-performance Chevrolet LS-1, LS-2, LS-3, LS-6, and LS-92 engine builds requiring precision and durability. These pistons feature a 4.005-inch bore with a -4cc flat top design, making them ideal for stroker builds and performance applications demanding reliable power delivery.

Key Specifications:

• Bore: 4.005 inches
• Compression Distance: 1.304 inches
• Rod Length: 6.125 inches
• Stroke: 3.622 inches
• Wrist Pin Diameter: 0.927 inches
• Piston Weight: 440 grams each
• Piston Design: -4cc Flat Top
• Valve Relief Depth: 0.185" intake / 0.130" exhaust

Premium Features:

• Forged from high-strength 2618 aluminum alloy for extreme durability and heat resistance
• Lightweight design optimized for strength-to-weight ratio
• Offset wrist pin design for reduced friction and improved reliability
• Cam and barrel skirt profiles for maximum power while protecting cylinder walls
• Perfect ring groove to skirt squareness through unique single-operation fixturing
• Moly-coated skirts on select applications for reduced friction
• 1.5mm / 1.5mm / 3.0mm ring package configuration
• Pressure balance groove for improved stability

Includes:

• Premium Chrome Moly wrist pins (P/N 42241: 0.095" wall, 72 grams, 2.300" length, 0.927" diameter)
• Round wire locks

Manley's Platinum Series pistons are trusted by professional engine builders and elite tuners worldwide for their proven performance in power-adder, nitrous, and naturally aspirated applications. These pistons are designed to handle extreme conditions while delivering maximum horsepower and long service life. Piston rings sold separately.