The Molnar Technologies 345-3900JB6F crankshaft is designed for Mopar Gen III Hemi applications and features a 3.900-inch stroke. Its forged steel construction provides a durable foundation for engine builds requiring a crankshaft with this configuration.
This crankshaft uses an internal balance design and is configured for a 2-piece rear main seal. The application-specific design makes it a direct component choice for compatible Mopar Gen III Hemi engine assemblies.
Supplied as an individual crankshaft, the Molnar Technologies 345-3900JB6F combines forged steel construction, internal balancing, and a 3.900-inch stroke in one purpose-built engine component.
Features:
- Brand: Molnar Technologies
- Part Number: 345-3900JB6F
- Application: Mopar Gen III Hemi
- Stroke: 3.900 inches
- Construction: Forged steel
- Balance: Internal balance
- Rear Main Seal: 2-piece seal
- Quantity: Each