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Manley Performance

Manley Mitsubishi 4G63/4G64 7 Bolt 4340 Billet 100mm Stroke Turbo Tuff Series Crankshaft

$1,964.03 $1,865.83 Save $98.20

SKU: M004 190120B

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In Stock
Ships by Aug 30
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$100 Minimum Order
Non-Returnable Item
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Overview

The Manley Turbo Tuff crankshaft is forged from 4340 billet material for improved performance at high RPMs in street/strip conditions. It features premium heat-treated forgings, special teardrop diagonal oiling, is stress-relieved and shot-peened, nitrided, and 100% magnafluxed. This crankshaft offers knife-edged counterweights and a 100mm stroke.

This crankshaft is designed for Mitsubishi 4G63 7-bolt engines and Mitsubishi 4G64 7-bolt engines. It weighs 33.5lbs in its standard configuration, with a Super Lightweight option available that weighs 29.5lbs.
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Part #: 190120B

For High Horsepower/High Boosted Applications, explore our fully machined "Turbo Tuff Series" billet cranks, available for Mitsubishi 4G63/4G64 and Subaru EJ20/EJ25 engines.

Features:

    • Lightweight Design, 4340 Billet Material: Manufactured from 4340 ?Turbo-Tuff? Billet material, ensuring durability and performance. Counterweights are fully knife edged to ensure precise balance and stability.
    • Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts' strength and longevity.
    • Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.
    • Increase Displacement with a ?Stroker? Crankshaft: Featuring an increased 94mm stroke provides a 9.3% increase over the stock stroke offering more displacement and more power.

Manley Crankshaft, CRANK-4340 BILLET 100mm STROKE .

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandManley Performance
Part NumberM004 190120B

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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