Eagle Chevrolet LS 4340 3.900in Stroke 58 Tooth Reluctor Forged Crankshaft - 434739006100

Eagle forged 4340 steel cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface, & micropolished to < 2 ra. Intended for the most demanding applications. Includes 58 tooth reluctor.

Specifications

• Material: forged 4340 steel
• Intended Balance: internal
• Target Bobweight: 1800g
• Stroke: 3.900"
• Rod Journal: 2.100"
• Rod Journal Width: 1.900"
• Main Journals: 2.559"
• Minimum Rod Length: 6.100"
• Typical Weight: 56 lbs.
• Snout Diameter: 1.48"
• Flywheel Bolts: 6
• Reluctor: 58 tooth