Chevrolet LT1/LT4 Lightweight Long Snout Crankshaft by Manley Performance

Manley Performance “PRO SERIES” crankshafts designed for the Small Block direct injected LT1/LT4 engine.

Manufactured from a premium 4340 steel forging, these cranks feature a stock 3.622” stroke or an increased 4.000” stroke which can turn your 6.2L into 6.8-7.0L depending on your bore. All crankshafts are shipped with a 58 tooth reluctor wheel installed.

Features

• 4340 material forgings
• Multi-step heat treatment process and nitrided for added strength
• Stress relieved, shot-peened and 100% magnafluxed
• Micro polished large radius journals (narrowed rod bearings required)
• Gun drilled mains and lightened rod journals for weight reduction
• Counterweights fully profiled
• Engine Stroke: 4.000”
• Main Journal Diameter: 2.559”
• Minimum Rod Length: 6.125”
• Bobweight: 1820 grams
• Rod Journal Diameter: 2.100"
• Reluctor Wheel Tooth Quantity: 58 Tooth

Benefits

• The engine will accelerate much quicker under load
• "Stoplight to stoplight" times are improved

Please Note: Manley crankshafts are not intended for use with highly boosted roots style cog belt superchargers. The stock timing crank gear may need to be chamfered to clear the larger radius on the snout of the crankshaft

Applications

• 2014–2019 Chevrolet Corvette C7
• 2016–present Chevrolet Camaro SS
• 2015–2019 Chevrolet Corvette Z06
• 2016–2019 Cadillac CTS-V
• 2017–present Chevrolet Camaro ZL1

What's In The Box?

• 1 - Crankshaft
• 1 - Tooth reluctor wheel

Warranty

• Manley products, due to their intended use, are sold without warranty.