Manley 4.000" Stroke Pro Series Lightweight Crankshaft

Upgrade your Chevrolet LT1 engine with the Manley 4.000" Stroke Pro Series Lightweight Crankshaft. Crafted from high-quality 4340 steel forging, this crankshaft is designed to enhance your engine's performance by increasing your 6.2L engine's displacement to an impressive 6.8-7.0L, depending on your bore size. Each crankshaft arrives with a 58-tooth reluctor wheel already installed, making it a seamless addition to your build.

Key Features

• Premium Material: Made from durable 4340 steel forgings for enhanced longevity.
• Heat Treatment: Undergoes a multi-step heat treatment process and nitriding for added strength and durability.
• Stress Relief: Each crankshaft is stress relieved, shot-peened, and 100% magnafluxed to ensure quality and reliability.
• Precision Engineering: Features micro-polished large radius journals (note that narrowed rod bearings are required).
• Weight Reduction: Gun drilled mains and lightened rod journals help reduce overall weight without compromising performance.
• Optimized Counterweights: Fully profiled counterweights for balanced performance.

Specifications

• Design: LW
• Reluctor Wheel: 58
• Stroke: 4.000"
• Minimum Rod Length: 6.125"
• Main Journal Diameter: 2.559"
• Rod Journal Diameter: 2.100"
• Bob Weight: 1850 grams
• Total Weight: 51-53 lbs

Perfect Fit for Your LT1

This crankshaft is specifically designed for the Chevrolet LT1 with a long snout, making it an ideal choice for those utilizing dry sump oiling systems. The lightweight design contributes to improved engine responsiveness, allowing you to get the most out of your performance upgrades.

Customer Feedback

Customers have praised the Manley 4.000" Stroke Pro Series Lightweight Crankshaft for its robust construction and performance enhancements. Many have noted noticeable improvements in engine power and efficiency after installation. Users appreciate the ease of installation due to the pre-installed reluctor wheel, making it a favorite among both professional builders and DIY enthusiasts.

Join the ranks of satisfied customers who have transformed their LT1 engines with this high-performance crankshaft. Experience the difference that quality engineering can make!