Eagle 2039375900B7 Forged 4340 Steel Crank 3.937In Stroke 7 Bolt Rear Flange.

Eagle forged 4340 steel Cranks feature a non-twist forging, .125" fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface and micropolished. Intended for the most demanding applications.

7 bolt flange.

Crankshaft must be balanced to match your specific Rods and pistons.

Specs

Balance Type: Internal

Crankshaft Stroke: 3.937in

Engine Stroke: 3.937in

Flywheel Bolt Count: 7

Flywheel Register Diameter: Please Confirm

Intended Balance: internal

Main Journal: 2.244in

Material: Forged 4340 Steel

Minimum Rod Length: 5.900in

Pilot Bore Diameter: Please Confirm

Rear Seal Diameter: Please Confirm

Rod Journal Width: 1.05in

Rod Journal: 1.771in

Snout Diameter: 1.26in