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User-friendly Manley 191832 5.7l Hemi 4340 4.050" Stroke Crankshaft Up To 2008 Perfect Gift [Jry2MYv7]

$50.99 $163.99 -69%

Manley 191832 5.7L Hemi 4340 4.050" Stroke Crankshaft The Manley 191832 5.7L Hemi 4340 4.050" Stroke Crankshaft is a top-tier performance component designed for small block HEMI engines, offering a seamless upgrade for vehicles up to the 2008 model y

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Manley 191832 5.7L Hemi 4340 4.050" Stroke Crankshaft

The Manley 191832 5.7L Hemi 4340 4.050" Stroke Crankshaft is a top-tier performance component designed for small block HEMI engines, offering a seamless upgrade for vehicles up to the 2008 model year. This premium crankshaft is crafted from high-quality 4340 steel forging, ensuring durability and reliability. With a 4.050" stroke, it transforms your 5.7L engine into a 392 c.i. powerhouse, while the 6.1L/6.4L models can reach a robust 426 c.i. capacity. This upgrade is a game-changer for enthusiasts seeking enhanced performance and power.

Superior Craftsmanship and Engineering

The Manley PRO SERIES stroker crankshaft stands out for its meticulous craftsmanship and engineering. Each crankshaft undergoes a multi-step heat treatment process, followed by nitriding for added strength. Stress-relieving, shot-peening, and 100% magnafluxing are also performed to ensure the highest quality and reliability. Key features include micro-polished large radius journals, dual keyed posts for supercharger drive pulleys, and gun-drilled mains and lightened rod journals for weight reduction. This comprehensive engineering ensures optimal performance, efficiency, and longevity.

Optimized Performance and Weight Reduction

The Manley 4.050" stroke HEMI crankshaft is engineered with small block Chevy small journal (2.000") crank pin diameters and widths, providing taller "side walls" on the rod journals for better oil control and reduced windage. The counterweights are profiled for 6.125" length connecting rods, ensuring a perfect fit. With a total weight of 49-51lbs and a 1730 Bobweight, this crankshaft offers a perfect balance between performance and weight. Additionally, the inclusion of a 32 tooth reluctor wheel and the availability of 58 tooth reluctor wheels for specific model years ensures compatibility and ease of installation. This crankshaft is the perfect choice for those seeking to unlock the full potential of their HEMI engine.

What Our Customers Say

December 26, 2025

Absolutely no complaints!

A solid and very dependable product.

- Francesca H..

December 26, 2025

Absolutely no complaints!

A great product at a great price.

- Elsie P..

December 26, 2025

Absolutely no complaints!

This is a very good tool.

- Suzanne O..

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