Manley Crankshaft, CRANK-4340 FORGE 3.750 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 Material: Manufactured from forged 4340 material and featuring lightened rod journals for optimized 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. Weight 60.000 lbs
Dimensions 31.000 × 8.750 × 9.500 in
Product Market
Domestic
Weight
52.000 LBS
Product Type
Engine Crankshaft
Engine Stroke
3.750 IN
Minimum Rod Length
5.850 IN
Main Journal Diameter
2.653 IN
Rod Journal Diameter
2.000 IN
Bob Weight
Unbalanced
Crankshaft Material
4340
Lightened
No
Reluctor Ring Included
No
Engine Detail – Web
4.6L Modular
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