Product Description
Manley 4.000" Stroke 4340 Forged Crankshaft Wet Sump - LT1 / LT4
Chevrolet Gen V LT1 Lightweight Series Crankshaft
- 58-Tooth Reluctor Wheel
- 4.000” Stroke
- 6.125” Minimum Rod Length
- 2.559” Main Journals
- 2.100” Rod Journals
- 1820 Grams Bobweight
- 51-53 Lbs.
- Wet Sump Application
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. Gun drilled mains and lightened rod journals contribute to weight reduction, optimizing engine performance. Counterweights are fully profiled to ensure precise balance and stability.
• 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.