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.
Manley Chevrolet Big Block Forged Crankshaft - 4.625 in. Stroke
Manley Chevrolet Big Block Forged Crankshaft - 4.625in Stroke
Manley Crankshaft, CRANK-4340 FORGE 4.625 STROKE CCW
Manley Crankshaft, 4340 FORGE 4.625 STROKE CCW
CRANK-4340 FORGE 4.625 STROKE CCW
Engine Crankshaft
Crankshaft
