Manley 190130 - Chevy Small Block 350 4340 Forged 4.000in Stroke Pro Series Crankshaft

Manley 190130 - Chevy Small Block 350 4340 Forged 4.000in Stroke Pro Series Crankshaft

Crankshaft - Pro Series - 4.000 in Stroke - Internal Balance - Forged Steel - 2-Piece Seal - Small Block Chevy - Each

Manley Crankshaft, CRANK-4340 FORGE 4.000 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.

• 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.