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Manley Performance Chevy LS 4340 Forged Lightweight Crankshaft

Manley Performance Chevy LS 4340 Forged Lightweight Crankshaft

SKU: MAN190058NB

Sale price  $1,273.86 USD Regular price  $1,384.63 USD
Shipping calculated at checkout.

Special Order Item: Delivery times depend on manufacturer fulfillment and carrier performance. Expedited shipping reflects how the order is placed with the manufacturer and does not guarantee delivery dates. However, due to FI Performance’s industry relationships, we may be able to assist with expedited processing when possible. If timing is critical, please call us before ordering at (203) 644-0712.

Lightweight Design, 4340 Materials: Available in both 4340 non-twist forged and 4340 ?Turbo-Tuff Billet material, ensuring durability and performance. Gun drilled mains and lightened rod journals contribute to weight reduction, optimizing engine performance. Counterweights are fully profiled to ensure precise balance and stability.Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts' strength and longevity.Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.

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