Manley Performance Crankshaft 4340 SBC 350 3.750 Part # 190150NB
 
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.
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.
Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.
 
Product Market
Domestic
Weight
50.000 LBS
Emissions Code
3
Product Type
Engine Crankshaft
Engine Stroke
3.750 IN
Minimum Rod Length
5.700 IN
Main Journal Diameter
2.450 IN
Rod Journal Diameter
2.100 IN
Bob Weight
Unbalanced
Crankshaft Material
4340 Steel
Lightened
Yes