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Manley Chevrolet Big Block Forged Crankshaft – 4.625in Stroke

Our “Pro Series” 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

  • Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.
  • Lightweight Design, 4340 Non-Twist Forging: Our crankshafts feature a lightweight 4340 non-twist forging, ensuring durability and performance.
  • 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.

1,621.02 $

Out of stock
SKU 190400
brand Manley Performance

Description

Our “Pro Series” 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

  • Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.
  • Lightweight Design, 4340 Non-Twist Forging: Our crankshafts feature a lightweight 4340 non-twist forging, ensuring durability and performance.
  • 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.

Specification

Weight 75 kg
Dimensions 31 × 9.5 × 8.8 cm
air_freight_prohibited

false
not_carb_approved

false
carb_acknowledgement_required

false
ltl_freight_required

false
prop_65

Y
part_type

automotive
epa

N/A
units_per_sku

1
upc

807298093260
brand

Manley Performance
part_number

190400

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    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.

    • 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.
    • 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.
    • Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.
    • Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts’ strength and longevity.
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