Manley 4.000" Stroke Pro Series Lightweight Crankshaft w/ 58T Reluctor for Chevrolet LT1

Upgrade your Chevrolet LT1 engine with the Manley 4.000" Stroke Pro Series Lightweight Crankshaft. This high-performance crankshaft is designed to enhance your engine's capabilities, allowing you to increase your displacement from 6.2L to between 6.8L and 7.0L, depending on your bore size. Crafted from premium 4340 steel forging, this crankshaft is built to withstand the rigors of performance driving.

Key Features

• Constructed from durable 4340 material forgings for superior strength.
• Undergoes a multi-step heat treatment process and is nitrided for enhanced durability.
• Stress relieved and shot-peened to ensure maximum reliability.
• 100% magnafluxed to identify any potential flaws.
• Micro-polished large radius journals (narrowed rod bearings required) for smooth operation.
• Gun drilled mains and lightened rod journals significantly reduce weight.
• Fully profiled counterweights for optimal balance and performance.

Specifications

• Design: LW
• Reluctor Wheel: 58T
• 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

Fitment Information

• Compatible with Chevrolet LT1 Lightweight engines.

Customer Reviews

Customers rave about the Manley 4.000" Stroke Pro Series Lightweight Crankshaft, highlighting its exceptional quality and performance. Users have noted significant improvements in their engine's responsiveness and power output. Many appreciate the meticulous craftsmanship and the ease of installation, making it a popular choice for both street and race applications.

With the Manley 4.000" Stroke Pro Series Lightweight Crankshaft, you're not just enhancing your engine; you're investing in a reliable performance upgrade that can take your Chevrolet LT1 to the next level. Get ready to experience the thrill of driving with power and precision!